They power our phones, cars, dishwashers—and the A.I. systems that prop up the economy. They’re also at the heart of fierce ...
A study of 900 samples from Pakistan's poultry sector found that two-thirds of recovered Klebsiella pneumoniae isolates were ...
Chemical notation has come a long way since the cryptic symbols of the alchemists - but agreeing on how to represent ...
An experiment resolves the tiny momentum transferred from an individual gas molecule to a levitated nanoparticle.
一点资讯 on MSN
宇宙恒星形成率正急剧下降! 宇宙已入暮年?
科学家发现宇宙中恒星形成的速率正在诡异地急剧下降。难道说随着宇宙年龄的增长，形成恒星的“原材料”氢元素不够了？如果真是这样的话，随着时间的流逝，当宇宙中的恒星一颗颗熄灭，然后又没有新恒星诞生，宇宙岂不很快会迎来末日？
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