j*******1
发帖数: 266 | 1 环形种也叫邻域种化,根据主流进化理论家的说法是物种产生的一种方式。这些生物分
布范围很广, 在相邻的生物之间它们交配，而在相据很远(两端)的生物之间不交配, 即
使这个两端的生物象一个环似的遇到一起, 还是不交配。比较著名的环形种例子有美国
加州的蝾螈 (Salamanders) (Irwin, Irwin et al. 2001), 绿莺 (Greenish Warbler)
(Irwin 2000)。
首先要指出的是, 在环形种的例子中，即看不到达尔文定义的自然选择 , 没有任何证
据说它们过去的同类因食物不足死亡, 而留下的是竞争的胜利者， 更也没有什么地理
隔绝的影子，空中的鸟, 水中的鱼没有高山大川的阻隔。
很多以前认定的环形种,后来发现并不是什么很多环形种。如鲱鱼鸥(herring gull)在
10年前还是一个主流生物学家常常引用的著名例子. 而在2004年德国和荷兰的科学家发
表了一遍文章否定了鲱鱼鸥是环形种的说法。(Liebers, de Knijff et al. 2004)
分子生物学的发现表明，不同物种DNA之间的差异应远远大于同物种DNA... 阅读全帖 |
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发帖数: 1 | 2 I would try primer blast from NCBI. It's basically using PRIMER3 to design
primer followed by blast alignment to evaluate specificity.
Paste the sequence of the species-of-interest in the PCR template. In the "
Primer Pair Specificity Checking Parameters" section below, specify the
species you want to avoid the primer to amplify. In this way, the algorithm
will avoid primers having potentials on that species. |
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N***r
发帖数: 2539 | 3 can someone give a hint?
baozi appreciate
species are added into the coolant system to control reactivity, pH value,
etc. Two common these species are H3BO3 and LiOH, the concentrations of
which have orders of magnitude of 1000ppm and 1ppm, respectively.
and LiOH) forms on the fuel caldding surface and these species accumulate in
this crud layer so that the concentrations become high. This high
concentration depends on how deep it penetrates into the porous crud layer
concentrations become real... 阅读全帖 |
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s****s
发帖数: 66 | 4 个人猜测啊，不是我的方向呵呵。
就像灰尘飘空中一样，用concentration表示应该没问题吧？
这个沉淀是不是没有聚集起来，只是形成类似浊液的表面层啊？
当然肯定会有一些理由来解释为什么这层浊液能吸附上去啦，就像你说了的那些离子的
存在。
species are added into the coolant system to control reactivity, pH value,
etc. Two common these species are H3BO3 and LiOH, the concentrations of
which have orders of magnitude of 1000ppm and 1ppm, respectively.
and LiOH) forms on the fuel caldding surface and these species accumulate in
this crud layer so that the concentrations become high. This high
concentration depends... 阅读全帖 |
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m*********9
发帖数: 232 | 5 bingo!
Prior art 如果只disclose了genus，那么你的disclose里面一个species就行。
如果prior art disclose了species A，B 和C，那么你的必须disclose species A B
和C才能完全把prior art 给灭掉。 |
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j*******1
发帖数: 266 | 6 笑话三: 只有吃的不够才能进化
我在本书开始时谈到，达尔文所说的自然选择有五个成分，缺一不可，其中之
一是自然资源不能满足同一种生物中所有个体的需求，能力差就会因得不到所需之食而
死亡。即使各种生物的能力不同，生物的能力可以遗传，但自然资源充足，能力差就会
得到所需之食而不至于死亡。如不同生物的区别只是有的能吃“满汉全席”和“汉堡包
”之分，那么生物就不会进化。
有人可能要发问: 吃“满汉全席”是不是会生的多，其后代的基因频率增加，
实际上往往不是。就人类来说，“肉食者”往往生的少；比尔，盖茨才生了一个孩子，
而非洲饥民可能有十几个孩子。
进化往往有进步，向上，向好的方向发展的意思。根据达尔文的理论，人类要
想进化，那一定要有一部分人饿死。中国近代史上，饿死人最多是59-62的”大越进“
时期，可能有几千万人。按达尔文理论，那是中国人进化最好的时期，而现在人人都吃
饱了，没人饿死，进化就停止了。目前，只有北朝鲜和非洲人类还在进化，因为那里每
年还有不少人饿死。美国这个地方进化最差，很多年都没人饿死了。
达尔文理论还认为，由... 阅读全帖 |
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S******y
发帖数: 1123 | 7 I have a function which takes in two arguments -
1) data : input data frame
2) x: a column name
But within function, it seems that I cannot use data$x to properly
reference an existing column within my data frame.
For example,
> library(MASS)
> length(iris$Species)
[1] 150
> fx<-function(data, x) {
+ print(length(data$x))
+ }
>
#hope to return 150. but none of the following is working right!!!!
> fx(iris,Species)
[1] 0
> fx(iris,'Species')
[1] 0 |
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t*****w
发帖数: 254 | 8 When I had my job interview, they always tested my SAS skill.However I use R
all the time. To help your preparation, read my R codes to see how much you
can understand it.
%in%
?keyword
a<-matrix(0,nrow=3,ncol=3,byrow=T)
a1 <- a1/(t(a1)%*%spooled%*%a1)^.5 #standadization in discrim
a1<- a>=2; a[a1]
abline(h = -1:5, v = -2:3, col = "lightgray", lty=3)
abline(h=0, v=0, col = "gray60")
abs(r2[i])>r0
aggregate(iris[,1:4], list(iris$Species), mean)
AND: &; OR: |; NOT: !
anova(lm(data1[,3]~data1[,1... 阅读全帖 |
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m**c
发帖数: 7299 | 9 要不要去封了这类网站呀, 然后把知道kaleege就是野鸡的全杀光? 听到过这个词的也
消灭光, 象寻秦记里的项少龙一样.
http://www.thefreedictionary.com/Kaleege
Ka`leege´
n. 1. (Zool.) One of several species of large, crested, Asiatic
pheasants, belonging to the genus Euplocamus, and allied to the firebacks.
http://dictionary.reference.com/browse/kaleege
Kaleege
Ka*leege", n. (Zo["o]l.) One of several species of large, crested, Asiatic
pheasants, belonging to the genus Euplocamus, and allied to the firebacks.
http://www.webster-dictionary.or... 阅读全帖 |
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d**********0
发帖数: 13081 | 10 这里讲到一些在珠江流域的研究。
http://www.sciencedirect.com/science/article/pii/S0026265X12002
Abstract
Organoarsenic compounds, such as roxarsone (3-nitro-4-hydroxyphenylarsonic
acid, ROX) and p-arsanilic acid (ASA), are widely used as animal feed
additives, while animal wastes bearing these compounds are often used to
fertilize agricultural land, which can cause arsenic pollution of soil,
surface water, and groundwater. Determination of a number of inorganic and
organic arsenic species in a variety of enviro... 阅读全帖 |
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I***i
发帖数: 14557 | 11 http://en.wikipedia.org/wiki/Mantis_shrimp
Reasons given for powerful eyesight
The eyes of mantis shrimp may enable them to recognize different types of
coral, prey species (which are often transparent or semi-transparent), or
predators, such as barracuda, which have shimmering scales. Alternatively,
the manner in which mantis shrimp hunt (very rapid movements of the claws)
may require very accurate ranging information, which would require accurate
depth perception.
The fact that those with the ... 阅读全帖 |
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I***i
发帖数: 14557 | 12 再来看个英文的，做个对照。
Washington: A new study has found that the American paddlefish -- known for
its bizarre, protruding snout and eggs harvested for caviar -- duplicated
its entire genome about 42 million years ago.
This finding may add a new twist to the way scientists study how fins
evolved into limbs since the paddlefish is often used as a proxy for a more
representative ancestor shared by humans and fishes.
“We found that paddlefish have had their own genome duplication. This
creates extra genetic... 阅读全帖 |
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I***i
发帖数: 14557 | 13 http://www.google.com/hostednews/ap/article/ALeqM5h0bz9vyVIxTgO
New family of spiders found in Oregon cave
By By JEFF BARNARD, AP Environmental Writer
GRANTS PASS, Ore. (AP) — Amateur cave explorers have found a new family of
spiders in the Siskiyou Mountains of Southern Oregon, and scientists have
dubbed it Trogloraptor — Latin for cave robber — for their fearsome front
claws.
The spelunkers sent specimens to the California Academy of Sciences in San
Francisco, which has the West Coast's larges... 阅读全帖 |
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c*******t
发帖数: 345 | 14 They use the 'one health' approach to conserving the species. This is a
belief that the health of one species is inextricably linked to that of its
entire ecosystem - including humans and other animal species. This is
important as disease is often spread by villagers, who, earning an average
of less than a pound a day, delve into the forest for resources such as
water and bamboo, as well as to hunt bush meat.
Villagers watch the Gorilla Doctors treating an adult mountain gorilla as
part of the V... 阅读全帖 |
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I***i
发帖数: 14557 | 15 http://www.cnn.com/2012/12/06/us/florida-python-hunt/?hpt=us_c1
Florida tackling python problem with hunting contest
Miami (CNN) -- Burmese pythons have been threatening Florida's ecosystem for
years, so the state is turning to the public for help in the form of a
hunting contest to cull the population.
The Florida Fish and Wildlife Conservation Commission has announced the 2013
Python Challenge beginning in January.
"We are hoping to gauge from the python challenge the effectiveness of using
an... 阅读全帖 |
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P*****J
发帖数: 1745 | 16 那个是fecal sac，里面装着屎，是为了便于成鸟把屎叼出去生成的。幼鸟消化系统没
有完全发育的时候粪便里还有不少营养成分，有时候成鸟就趁热吃了，哈哈。
http://en.wikipedia.org/wiki/Fecal_sac
A fecal sac (also spelled faecal sac) is a mucous membrane, generally white
or clear with a dark end,[1] that surrounds the feces of some species of
nestling birds.[2] It allows parent birds to more easily remove fecal
material from the nest.
In some species, the fecal sacs of small nestlings are eaten by their
parents. In other species, and when nestlings are older, sacs are typi... 阅读全帖 |
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w****w
发帖数: 14828 | 17 分享一些狂犬病RABIES的信息，以供大家日后遇上意外情况时应对。
如地图所示，美国加拿大澳洲西欧这些国家都属于Category 2: low risk.新西兰
则没有狂犬病风险。
http://www.who-rabies-bulletin.org/travel/recommendations.aspx
The map shows the WHO categories of risk, from no risk (rabies-free)
countries or areas to countries or areas of low, medium and high risk (dog
rabies). Categorization is based primarily on the animal host species in
which the rabies virus is maintained in a country or area, e.g. bats and/or
other wildlife and/or dogs and on the availability of... 阅读全帖 |
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I***i
发帖数: 14557 | 18 英文名Damselfly
请看下面这篇有关蜻蜓、豆娘的科普文章
http://insects.about.com/od/dragonfliesanddamselflies/p/How-Dra
How Dragonflies Mate
By Debbie Hadley
Dragonfly sex is a rough and tumble affair. If you've ever seen a pair of
mating dragonflies in the throes of passion, you know that their sexual
coupling requires the flexibility and acrobatic skill of a Cirque de Soleil
performer. Females get bitten, males get scratched, and sperm winds up
everywhere. These strange mating habits have survived millions of years o... 阅读全帖 |
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h*h
发帖数: 18873 | 19 Sobralia imavieirae – Brazil | Among the new plant species are a large
number of new orchid species, including this splendid pink species, Sobralia
imavieirae, officially described by scientists from Roraima in the
Brazilian Amazon. |
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p****y
发帖数: 23737 | 20 转基因农田超级野草崛起，美国农民焦头烂额
森·哈姆林是一名拥有相关证书的作物顾问和农学家，他正在田纳西的戴尔斯堡寻找对
草甘膦产生抗性的杂草。艾迪·安德森正往他的地里追加喷洒灭草剂，以对抗那些对草
甘膦产生抗性的杂草。安德森先生有着大约3，000公顷大豆田，他正在对付那些有害的
长芒苋。
在至少22个州立十种产生抗性的杂草感染了上百万公顷的土地。艾迪·安德森是田纳西
州戴尔斯堡的一名农民。15年来他一直是免耕农业坚定的拥护者。免耕农业是一种环境
友好技术，几乎排除了耕作导致的水土流失以及肥料和杀虫剂造成的有害残留。
但今年情况不一样了。“农达”（Roundup）是孟山都公司原创的拳头产品，但现在也
有其他公司用它的属名“草甘膦”来进行销售，这东西对于农民来说，曾一度几乎算得
上是种奇迹化学品。它有着广谱的除草功能，使用起来简单安全，降解迅速，减轻了对
环境的影响。
然而，美国农民们对却没想到，那种产生奇迹的化学品除草剂“农达”的广泛使用，却
导致了抗农达杂草在美国各地的传播。从2000年开始至少十种抗农达杂草已经在22个州
里感染里上百万公顷的耕地。最近一个下午，安德森先生看着拖拉机们... 阅读全帖 |
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w*******y
发帖数: 60932 | 22 Link:
http://www.meowingdeals.com
Use code Catster30 to get price down to 1.40 (I believe this is the last
deal it can be used on).
More about this deal:
Tempt your kitty with tantalizing textures, sounds and a generous dose of
catnip!
While scientists scour the world's jungles for new species of birds, a
mysterious feathered flyer has been sighted in homes right here in North
America. After receiving reports from cat owners across the country,
biologists at Kong Company have identified several ... 阅读全帖 |
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l******d
发帖数: 5255 | 23 来自主题: _FilmStudies版 - 观影记录 splice 2010
导演是拍cube那个加拿大人。女主角是现在许多皱纹像个肉弹的sarah polley.
这片子后20分钟有点轻微变态有点生猛，我喜欢。（这段话简直说出了变态观众的心声啊：The film spends three quarters of its running time desperately – and largely successfully – fighting against being the kind of film you expect it to be, before becoming exactly the kind of film you expect it to be…）
这导演镜头调度很不好，呆滞。每个场景几乎都缺少反映演员空间关系的shot。只有三
个人站房顶那几个镜头处理的还不错，有cult风味。所以他做导演没太大前途，做编剧
倒是不错。
这片子使我想起了当年有个准色情科幻恐怖幻想片，species（1995）。那个女演员
Natasha Henstridge,那会儿大概20出头，魔鬼身材，相貌有january jones那种淡淡... 阅读全帖 |
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l******d
发帖数: 5255 | 24 来自主题: _FilmStudies版 - 观影记录 splice 2010
导演是拍cube那个加拿大人。女主角是现在许多皱纹像个肉弹的sarah polley.
这片子后20分钟有点轻微变态有点生猛，我喜欢。（这段话简直说出了变态观众的心声啊：The film spends three quarters of its running time desperately – and largely successfully – fighting against being the kind of film you expect it to be, before becoming exactly the kind of film you expect it to be…）
这导演镜头调度很不好，呆滞。每个场景几乎都缺少反映演员空间关系的shot。只有三
个人站房顶那几个镜头处理的还不错，有cult风味。所以他做导演没太大前途，做编剧
倒是不错。
这片子使我想起了当年有个准色情科幻恐怖幻想片，species（1995）。那个女演员
Natasha Henstridge,那会儿大概20出头，魔鬼身材，相貌有january jones那种淡淡... 阅读全帖 |
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O*******d
发帖数: 20343 | 25 【 以下文字转载自 Parenting 讨论区 】
发信人: happylife (美丽人生), 信区: Parenting
标 题: 支持进化论证据太多了，科学和宗教的本质区别
发信站: BBS 未名空间站 (Fri Apr 15 01:57:12 2011, 美东)
看到前面一帖子，5岁孩子好奇人类的起源，妈妈说不清楚，然后有些回帖质疑进化论。
忍不住另外开一贴说几句，
对生物起源等问题保持open的态度和好奇心是好事，对孩子也确实不必要一味地灌输知
识和结论，而是应该启发他们思考。
以上都是科学的态度, 科学和宗教的根本区别就是，科学是不claim绝对真理的，科学
是不断前进发展的，人类的知识在科学证实的过程中日益壮大，科学在证伪的过程中比
以往任何时候都更接近真相，推陈出新。
持科学的态度去看待细节还没有被完全复现和解释的问题，比如生物起源，并不表示可
以无根据地虚无地对被广泛证实的进化论本身持怀疑态度。
那个帖子里面很多人都提到了，很多人初中生物没学明白，还没弄清楚进化论是什么，
就开始反对进化论。
有一次跟好几个美国的院士一起吃饭，谈到布什声称不知道是否应该相信进化论的问... 阅读全帖 |
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g*********r
发帖数: 9366 | 26 ☆─────────────────────────────────────☆
OverCloud (天马行空) 于 (Sat Apr 16 00:50:35 2011, 美东) 提到:
发信人: happylife (美丽人生), 信区: Parenting
标 题: 支持进化论证据太多了，科学和宗教的本质区别
发信站: BBS 未名空间站 (Fri Apr 15 01:57:12 2011, 美东)
看到前面一帖子，5岁孩子好奇人类的起源，妈妈说不清楚，然后有些回帖质疑进化论。
忍不住另外开一贴说几句，
对生物起源等问题保持open的态度和好奇心是好事，对孩子也确实不必要一味地灌输知
识和结论，而是应该启发他们思考。
以上都是科学的态度, 科学和宗教的根本区别就是，科学是不claim绝对真理的，科学
是不断前进发展的，人类的知识在科学证实的过程中日益壮大，科学在证伪的过程中比
以往任何时候都更接近真相，推陈出新。
持科学的态度去看待细节还没有被完全复现和解释的问题，比如生物起源，并不表示可
以无根据地虚无地对被广泛证实的进化论本身持怀疑态度。
那个帖子里面很多人都提到了... 阅读全帖 |
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s********n
发帖数: 26222 | 27 【 以下文字转载自 Military 讨论区 】
发信人: smokinggun (硝烟), 信区: Military
标 题: 侯鸟可以跨亚洲美洲迁徙，可能成为携带病毒载体
发信站: BBS 未名空间站 (Thu Apr 4 11:19:49 2013, 美东)
在俄国繁殖的鸟可能到旧金山过冬，而阿拉斯加的鸟有可能飞到马来西亚。
靠，神奇啊。
These transcontinental migrants, which traveled primarily in the daytime,
flew far too high to be observed and identified visually. However, evidence
suggests that they are mostly shorebirds—such as Red Phalaropes and Long-
billed Dowitchers—along with some species of tern and skua. By flying east
to the North American mai... 阅读全帖 |
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c******a
发帖数: 4400 | 28 current species extinction rate is faster than when Dinosaurs went extinct.
This happens when one single type of species dominant and the earth is out
of balance, but then earth will someday restore its balance by wiping the
dominant race off from its face |
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c***s
发帖数: 70028 | 29 前总统马英九今天表示，常设仲裁法院认定太平岛是礁不是岛，他非常错愕与愤怒，绝不接受荒谬不公的国际仲裁，他呼吁政府立即提出具体措施，捍卫中华民国的太平岛。
马英九指出，这个法庭的存在，应该是为国际争端定纷息争、避免走上冲突甚至战争。但是，这样的仲裁结果，不但没有排难解纷，反而增加了冲突的可能。「在背後操控的势力，看似赢了面子，其实却输了裡子。」
「菲律宾对中国」南海仲裁案，常设仲裁法院今天公布结果，称中国大陆在9段线范围内主张的历史权利没有法律依据，而南沙群岛的所有海上地物，均为礁岩，包括太平岛在内。
马英九晚间在脸书发文表示，从去年12月到今年5月，包括他在内，150多名部会首长、国内外学者专家和国内外媒体，都访问太平岛，亲眼见证这个淡水充裕（南沙唯一）、农产丰富、生活机能完整的岛屿，完全符合「联合国海洋法公约」第121条关于「岛屿」必须「维持人类生存与自身经济生活」的要件。
他说，至今年4月底为止，也有430篇国际媒体完整陈述「太平岛是岛」的事实。太平岛是「岛」不是「礁」，已是国内外多数人的共识。
马英九指出，70年来，太平岛是在中华民国有效统治之下，对地区提供医疗救难等服务，夙有口... 阅读全帖 |
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w****j
发帖数: 5581 | 30 既然你对灭绝这个概念有疑问，好，给你个生物生态学的定义（refer to wiki）：
A species becomes extinct when the last existing member of that species dies
. Extinction therefore becomes a certainty when there are no surviving
individuals that are able to reproduce and create a new generation.
好，我问你，恐龙的最后一个个体死了？恐龙就没有最后一个个体，如果你对John
Ostrom的理论没异议的话。或者你认为wiki的这段话不符合你这个文科生的用词习惯或
是修辞方法？ |
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w*********g
发帖数: 30882 | 31 平井宪夫揭示日本核电业惊天内幕——素人造核电，豆腐渣工程
作者：蜀中行 更新时间：2011-3-16
设施配管1级技士平井宪夫(1997年1月因癌症逝世)生前的最后吶喊。
/来自中华网社区 club.china.com/
/来自中华网社区 club.china.com/
关于平井宪夫：
1997年1月逝世。设施配管1级技士，核电事故调查国民会议顾问，核电劳工救济中
心代表，北陆电力志贺核电厂停止诉讼原告特别辅佐人，东北电力女川核电停止诉讼原
告特别辅佐人，福岛二号核电厂三号机运转停止诉讼原告证人。「核电劳工救济中心代
表」在他仙逝后，因后继无人关闭
"我不是反核运动家。这20年来，我一直在核电厂工作。社会上有听不完的拥核反
核理论，但我只想在这里告诉大家：「所谓的核电厂是这样一回事。」大部份的人都不
知道核电内部的实际情形。希望大家有耐心把这篇文章读完。所谓核电，跟各位所想的
或许有点出入。在那里，每天都有遭受放射线污染的工人，以及严重的岐视产生。
我的专长，是负责大型化学工场的内部配管施工与维修。快30岁时，日本掀起了一
阵核电建设的... 阅读全帖 |
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z****e
发帖数: 1162 | 32 【New York Times】May 25, 2021
Human (mostly American Chinese) activities near the Big Apple have caused
some crab and fish species, including the notorious mitten crab invading US
about 20 years ago, around the city to go extinct over the past 10 years,
and extinction rates for the next decades likely will accelerate to
approximately 10 additional species per year unless societies take action to
reverse the trend, according to a new report. |
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c**i
发帖数: 6973 | 33 (1) Robots | Zoobotics; A new generation of animal-like robots is about
to emerge from the laboratory. Economist, July 7, 2011
http://www.economist.com/node/18925855
Note:
(a) phylum (n; New Latin, from Greek phylon tribe, race; First Known Use:
1876):
" a group that constitutes or has the unity of a phylum; specifically : a
primary category in biological taxonomy especially of animals that ranks
above the class and below the kingdom"
www.m-w.com
(b) R2-D2
http://en.wikipedia.org/wiki/R2-D2
(... 阅读全帖 |
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w*j
发帖数: 6104 | 35 舒德干，西北大学地质系早期生命科学研究所所长、博士生导师。舒德干教授长期
致力于早期生命科学的研究，先后在国际最著名的《自然》科学杂志上发表论文六篇，
主持国家自然科学基金委项目、国家攀登计划项目等重大科研项目十余项，发表论文40
余篇，获科研奖励十余次。
舒德干作为第一作者发表在Nature和Science上的论文
1996：Reinterpretation of Yunnanozoon as the earliest known hemichordate
．Nature，380，428—430． 1996：A Pikaia—like chordate from the Lower
Cambrian of China．Nature，384，157—158． 1999：A pipiscid—like fossil
from the Lower Cam brian of South China．Nature·400：746—749． 1 999
：Early Cambrian vertebrates from South China．Nature，402：42—46．... 阅读全帖 |
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s********n
发帖数: 26222 | 36 在俄国繁殖的鸟可能到旧金山过冬，而阿拉斯加的鸟有可能飞到马来西亚。
靠，神奇啊。
These transcontinental migrants, which traveled primarily in the daytime,
flew far too high to be observed and identified visually. However, evidence
suggests that they are mostly shorebirds—such as Red Phalaropes and Long-
billed Dowitchers—along with some species of tern and skua. By flying east
to the North American mainland before turning south, they reduce the
distance they must fly over inhospitable seas. In fact, the route is similar
to the "great-... 阅读全帖 |
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s********n
发帖数: 26222 | 37 去阿拉斯加的同学们要注意了。
侯鸟可以跨亚洲美洲迁徙，可能成为携带病毒载体
在俄国繁殖的鸟可能到旧金山过冬，而阿拉斯加的鸟有可能飞到马来西亚。
靠，神奇啊。
These transcontinental migrants, which traveled primarily in the daytime,
flew far too high to be observed and identified visually. However, evidence
suggests that they are mostly shorebirds—such as Red Phalaropes and Long-
billed Dowitchers—along with some species of tern and skua. By flying east
to the North American mainland before turning south, they reduce the
distance they must fly over inhospitable seas. In fac... 阅读全帖 |
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z****0
发帖数: 3942 | 38 Are foods made using biotechnology safe to eat?
by Jonathan Strickland
Agricultural biotechnology is the science of using genes to alter crops. Why
would scientists want to fiddle with a plant's genes? The reasons range
from improving crop yields to designing plants that are resistant to pests
and disease. But are these genetically modified foods safe to eat?
The short answer is yes. Scientists around the world have conducted multiple
studies on genetically modified food and found that the food ... 阅读全帖 |
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w*********g
发帖数: 30882 | 39 看到有人说华人需要拥抱美国社会的主流价值观，我就感到气不过。根本不存在什么主
流价值观和主流的生活方式。种族竞争才是人类社会的普遍规律好不好？
我早就说过，越是智力、耐力、勤奋、克己和后代教育上不如华族的种族，越是仇视华
人，这是在印尼、马来、蒙古、东欧诸国、欧猪四国和澳洲反复证明过了的。凡是认同
所谓的西方主流价值的社会，社会工会势力一般都很强大。以美国为例，美国工人有最
低工资保障，美国工会过头的保护美国劳工，造成了美国从白领到蓝领，从大人到小孩
普遍懒惰，好逸恶劳的恶习。中国人不娇气，不造作，不闹事，起早贪黑，任劳任怨，
息事宁人，省吃俭用，对于老板而言当然是远远强过前者，前者当然是无力匹敌，只有
被lay off的命。
华族的优秀来自于华族的聪慧、忍耐、勤奋、克己和对后代教育的重视，不这样的话，
华族的优势就丢弃了，华族拿什么去跟黑穆三墨竞争？靠强壮的体格和大size的性器么
？所谓拥抱主流价值观，实际上就是在诱导华族抛弃自己的强项，放弃勤劳节俭，拥抱
红脖和黑人的懒惰奢侈，在自己不擅长的弱项上去跟外族竞争，这是最大的忽悠。
所以结论就是，华族只要继续秉持自己的强项，就必然遭到... 阅读全帖 |
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w*********g
发帖数: 30882 | 40 It is not the strongest of the species that survives, nor the most
intelligent that survives. It is the one that is most adaptable to change.
----- <>, Charles Darwin. |
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e*****s
发帖数: 7359 | 41 观云图有感。
Every individual, no matter what species you are, is part of a larger game.
intra/interspecies competition, eating or being eaten, it's all about the
evolution of genetic information. You make it, you pass your copy of genetic
information to future generations which again will be playing the same game
, no guarantee for continuous winning. You lose; you still contribute to the
game by providing food, raw materials and lessens. The glory of any
advancement in this evolutionary process bear... 阅读全帖 |
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T**********e
发帖数: 29576 | 42 明明有人接手，还非要杀这个长颈鹿，杀完当着观众肢解，小伙伴都吓傻了。
Anger Erupts After Danish Zoo Kills a ‘Surplus’ Giraffe
Marius the reticulated giraffe died at the Copenhagen Zoo on Sunday. He was
2 years old.
The cause of death was a shotgun blast, and after a public autopsy, the
animal, who was 11 feet 6 inches, was fed to the zoo’s lions and other big
cats.
Administrators said they had decided to kill Marius, who was in good health,
because his genes were well represented among the captive giraffe
population in European z... 阅读全帖 |
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k*8
发帖数: 39 | 43 我碰到过类似的挑衅者，把挑衅的家伙治得服服帖帖。如果是我在场，我会说
"Dude, I wonder what superior species you belong to. Would you like to share
?"
"Oh, Jews? The species that was welcomed and respected everywhere?"
"Dude, I don't care who you are. Please shut up, or I will have someone to
shut you up."
同时，我对楼上好几位的冷嘲热讽深感失望和寒心。楼主至少对侮辱感到愤怒了，在寻
求大家的帮助，那些自我感觉很好的看客，为什么不多出些建设性的意见？很有讽刺意
味的是，我在这里真的看到犹太人就是比Chinese more superior. |
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b***y
发帖数: 14281 | 44 看你怎么定义“人”。现代生物学一般把同一个species当成一种动物，并且把现代智
人和尼人划分为不同的species，所以严格说尼人不是“人”，虽然汉语中智人尼人都
有个人字，英语里就没有。 |
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f*******y
发帖数: 8358 | 45 根本不是问题，asian carp重金属含量很低。是非常健康的鱼。
US - Researchers at the Prairie Research Institute's Illinois Natural
History Survey have found that overall, concentrations of arsenic, selenium,
and mercury in bighead and silver carp from the lower Illinois River do not
appear to be a health concern for a majority of human consumers.
Average mercury concentration in fillets was below the US Food and Drug
Administration Action Level and EPA Screening Value for Recreational Fishers
, though some individual fish... 阅读全帖 |
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s******g
发帖数: 466 | 46 CHINA - In early September, US scientists came to China to explore ways to
prevent the spread of Asian carp in their country and to explore the
possibility of exporting the invaders back to China.
"Chinese love eating the fish, and the US has too many of them, which makes
exploring a business plan a win-win solution," said Yang Bo, a freshwater
expert from The Nature Conservancy who accompanied the US scientists during
their visit. Yang made her remarks in an interview with China Daily on
Monday... 阅读全帖 |
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i******b
发帖数: 1780 | 47 mynight, 我不反对给本国人民当中真正丧失劳动能力或疾病残疾人士福利,但是身体健
全很多老黑老墨吃福利,生5个以上孩子明知道自己养不起,却要别人纳税钱养那就不对
了,结果是劣质人口越来越多,最后是社会和国家全部跨掉.至于救济不属于本国共民的
难民,这个我觉得没有任何义务,我们可以帮助把他们国家建设好,但不是把他们搬进来,
造成本国公民生活水平和治安水平的下降.事实上,白人的左派思想和普世价值虽然道德
上高尚,但是实际非常虚伪,因为这是以对本国老实纳税公民的剥削来满足道德高尚感,
那些卫道士左逼如果叫他们自己掏钱,叫他们自己住黑人区,打死他们也不去.白人的左
派思潮是白人和西方文明必然走向衰败的自杀毒药.最后西方文明包括欧洲和美国必然
被黑穆三搞垮.这一篇文章就说这个道理.搞左逼博爱普世就是把国家社会搞垮,最后谁
都没好日子过.
http://news.yahoo.com/islams-conquest-europe-070000458.html
"Liberalism is the ideology of Western suicide," wrote James Burnham... 阅读全帖 |
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c*********d
发帖数: 9770 | 48 送交者: Pascal 2016年03月27日18:36:30 于 [天下论坛]
“200,000years ago we were all african blacks”的图片搜索结果
Chinese Scientist Proves The First Inhabitants Of China Were Black！
Updated on October 9, 2014
Black Chinese
Kongo (Negro) - Chilamache-Chinese Skulls 1855
Out Of Africa 10/21/2012
For many years Black historians and Afrocentrists have said that the first
inhabitants of China were black Africans.
"The Negroid races peopled at some time all the South of India, Indo-China
and China. The South of Indo-Chin... 阅读全帖 |
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h*h
发帖数: 27852 | 49 Why Can't Islam be Reformed?
By Ali Sina
Dear Mr. Sina,
I am a Muslim woman living in the USA I read some of your articles and
totally agree with you on many points.
I am still a Muslim but at the same time I hold rather peculiar positions on
many points.
There are five pillars of Islam and six pillars of faith that cannot be
modified. That's all. The rest can be negotiated and must be modernized.
Islam is doomed and the fate of the Church of England awaits it. But
Anglicans didn’t leave C... 阅读全帖 |
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y*z
发帖数: 3244 | 50 The Hague, 12 July 2016
The Tribunal Renders Its Award
A unanimous Award has been issued today by the Tribunal constituted under
Annex VII to the United Nations Convention on the Law of the Sea (the “
Convention”) in the arbitration instituted by the Republic of the
Philippines against the People’s Republic of China.
This arbitration concerned the role of historic rights and the source of
maritime entitlements in the South China Sea, the status of certain maritime
features and the maritime enti... 阅读全帖 |
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