Carney tells ASEAN summit Canada respects trade rules, as Trump threatens new tariffs Three factors will stall dementia and the aging process, according to new U.S. study What does '6-7' mean? Here's ...

As physicists extend the 19th-century laws of thermodynamics to the quantum realm, they’re rewriting the relationships among energy, entropy and information. In his 1824 book, Reflections on the ...