但是当谈到许多维生素补充剂，一些科学家说我们严重受骗了。
But when it comes to many vitamin supplements, some scientists say we're being seriously short-changed.
一些科学家说，这与太阳系在银河系运行的周期有关。
Some scientists said that it related to the periodicity that Solar system was running in Milky Way.
一些科学家说，将在20年或30年有没有广袤的森林。
Some scientists say that there will be no vast forests in 20 or 30 years.
一些科学家说只有蛔虫表现出这种行为，但后来在老鼠身上也得出这样的结果。
Some scientists said that only worms behave this way, but the same result was later obtained in mice.
一些科学家说每年数千头鲨鱼中有一半被捕，这还不是捕捞的目标。
Some scientists say about half of the thousands of sharks caught each year were not the target of the fishing.
研究者还抱怨漫长的旱季和雨季。一些科学家说气候的变化使这种情况更糟！
Researchers also blame long periods of dry weather and heavy rain. Some scientists say climate change makes this worse.
一些科学家说，不能仅仅因为现代非洲猎人跑得过猎物，就能证明我们的祖先也跟他们一样。
Some scientists say just because modern African hunters run down prey doesn't prove our ancestors did.
这不仅没有减少我们的石化燃料的使用(一些科学家说这增加了使用量)，而且推高了食品的价格。
It does nothing to reduce our fossil fuel usage (many scientists say that it increases usage) and it drives up food prices.
但由于神经装置变得更加复杂——并且无线化——一些科学家说，得好好对待“人脑入侵”的风险了。
But as neural devices become more complicated - and go wireless - some scientists say the risks of "brain hacking" should be taken seriously.
然而另外一些科学家说这个结论还言之过早，McKay说火星上可能有些区域对生命不那么有害。
Other scientists say it's too soon to draw that conclusion, however, and McKay says there are probably regions on Mars that were not as harmful to life.
一些杞人忧天的人预测说，假如科学家真的能够造出一个新宇宙，它也许会摧毁现存的宇宙。
Some worrywarts have predicted that if the scientists actually do create a new universe, it might destroy the existing one.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
他说，科学领域更加开放可能有助于阻止一些人认为的一种普遍做法：将处于职业生涯初期的科学家对获取数据的请求拒之门外。
He says that more openness in science could help to discourage what some perceive as a common practice of shutting out early-career scientists' requests for data.
但其他的一些科学家则要求小心，说日期可能不配。
But some other scientists urge caution, saying that the dates may not match up.
“许多科学家，”他说，“将性别视为一种连续统一体并且承认一些人确实天生就是中性的。”
Many scientists, he says, see gender as a continuum and acknowledge that some people naturally fall in the middle.
科学家警告说，日本还会再次发生地震，这不过是早晚的问题，只不过规模会相对小一些。
But scientists are cautioning that a repeat for Japan - on a smaller scale - is not a matter of if, but when.
一些科学家已经警告说，随着气候变化造成温度上升，澳大利亚正面临十倍多的热浪。
Some scientists have warned that Australia was facing a ten-fold increase in heat waves as a shifting climate increases temperatures.
研究进化的科学家说流泪对于促进了我们人类的进步可能有一些好处，所以哭的本事能一代一代地传到现在。
Scientists who study evolution say crying probably conferred some benefit and did something to advance our species - because it's stayed with us.
但一些科学家仍然认为两者之间的联系缺乏说服力；他们说骨骼相似也许只是个偶然。
But a few scientists still argued that the link was weak; the bone similarities could be a coincidence, they said.
早期的一些照片也有详细的细节-但是科学家说，直到后来他们才有最好的，工艺上高分辨的照片。
Early photos of the encounter are strikingly detailed - but scientists say they won't have the best, high-resolution shots from the craft until later.
环境学家说任何全球性的气候交易必须将二氧化碳含量控制在450ppm以下，尽管一些悲观的科学家认为整个大气二氧化碳含量正在向550ppm，甚至650ppm迈进。
Environmentalists say that any new global deal on climate must restrict the growth of CO2 levels to 450ppm, though more pessimistic scientists say that the world is heading for 550ppm or even 650ppm.
“科学家们对这个世界怎样运行，有一个标准的模型，但当时有一些数据不符合”，他说。试图解决的问题的结果在于：广义相对论和量子力学，现代科学的两大支柱。
The outcome of attempts to resolve the problems: general relativity and quantum mechanics, two pillars of modern science.
科学家们说，其中很多饮料含有草药、植物或激素成分，这些成分至少在一些研究中显示出了有效性，不过也可能有副作用。
Many of the drinks contain herbal, plant or hormonal therapies which have been shown in at least some studies to be effective — but also may have side effects, scientists say.
当时不知道科学偏见一说的我给猩猩们起了名字，并用描述人类的词汇来描述他们的性格，以至于遭到一些科学家的强烈谴责。
Unaware of the scientific prejudices of the day, I gave the chimps names and described their rich personalities in human terms, a practice that drew scalding condemnation from some scientists.
当时不知道科学偏见一说的我给猩猩们起了名字，并用描述人类的词汇来描述他们的性格，以至于遭到一些科学家的强烈谴责。
Unaware of the scientific prejudices of the day, I gave the chimps names and described their rich personalities in human terms, a practice that drew scalding condemnation from some scientists.
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