Why do 90% of humans reach with the same hand? The answer stretches back millions of years and involves fossils, language and ...

In 1968, a new shop in the heart of London’s swinging Soho district made headlines with its unusual wares — openly selling the kinds of things that, until then, people could only have ordered from the ...

In our Universe, a left hand reflected in a mirror or pond appears to be a right hand. While most of the laws of nature are symmetric under reflections, obeying the same rules, the weak interactions ...