More than 60,000 years ago, humans living in southern Africa realized they could use ostrich eggshells to hold water. They ...

Baez called for the development of new mathematics — he called it “green” math — to better capture the workings of Earth’s biosphere and climate. For his part, he sought to apply category theory, a ...

Watch a clip from 'The Great Experiment,' a documentary examining deep polarization in America, set to premiere at the ...