As winters warm, athletes must cope with harder snow and tricky ice
Ice arenas and artificial snow now dominate the winter Olympics. Athletes there — and everywhere — may need to adjust how they train and perform.
Ice arenas and artificial snow now dominate the winter Olympics. Athletes there — and everywhere — may need to adjust how they train and perform.
Weaving together the concepts of space and time allows scientists to understand gravity and more.
Fiction is full of characters with the power to vanish. But some animals have real-life ways to become nearly invisible.
Seasons have nothing to do with Earth’s distance from the sun. The real reason for the seasons is the tilt of Earth’s axis.
A range of tricks pitchers use to get curve all come down to the thin layers of air next to the ball — and how a ball’s spin and seams affect them.