Mathematics of scale: Big, small and everything in between

Breathe. As your lungs expand, air fills 500 million tiny alveoli, each a fraction of a millimeter across. As you exhale, these millions of tiny breaths merge effortlessly through larger and larger airways into one ultimate ...

Severity of crime increases jury's belief in guilt: study

The more severe a crime, the more evidence you should have to prove someone did it. But a new Duke study, appearing Oct. 29 in Nature Human Behavior, has shown that the type of alleged crime can increase jurors' confidence ...

French lawmakers ban smartphones in schools

French schoolchildren will have to leave their smartphones switched off or at home as the new academic year begins in September, after lawmakers voted for a ban on Monday.

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