They next tested Gage's theory that new neurons are especially sensitive to input two weeks after they form.

研究者接着又对盖奇的新生神经元在形成2周后对信息特别敏感的理论进行了检验。

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Mosquitoes are very sensitive to heat and light (indeed, their sensitivity to infra-red radiation helps them sense the presence of food, in the form of people).

蚊子对光和热非常敏感（事实上，它们对红外辐射的敏感帮助它们感应其食物——人的存在）。

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The latest piece of the puzzle is superoxide, an oxygen molecule that may combine with light-sensitive proteins to form an in-eye compass, allowing birds to see Earth's magnetic field.

最新的谜题是过氧化物，这是一种氧分子，它可以与一些光敏蛋白质化合，在眼球中形成一个罗盘，让鸟儿们可以看到地球的磁场。

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This is critical since these are the form of identification most often used for such security-sensitive purposes as boarding commercial aircraft, gaining access to federal facilities and establishing bank accounts.

CENTERFORSECURITYPOLICY: Unfinished business

"Our daily lives were the major inspiration, being young people and part of a changing country trying to form its future in a very sensitive period, " said guitarist Firas Abu-Fakhr.

CNN: STORY HIGHLIGHTS

They are fast enough to scan trucks and cars as they pass through toll booths, portable enough to be used almost anywhere and sensitive enough to distinguish between a weapons-grade isotope and the less dangerous form in an X-ray machine.

FORBES: Stopping porta-nukes