In Yellowstone National Park, winters are getting shorter and there is less food for scavengers. That’s bad news for scavengers like bears, but could wolves help?

Many things change during the seasons, including the temperature and the amount of rain that falls. Plants and animals also change with the seasons.
Also in: Español | বাংলা

Fascinating and bizarre interactions control the world around us, at a scale too small to see—the nanoscale. By studying the nanoworld, we can create nanomachines that mimic nature.

Also in: Italiano | عربى

Many science teachers tell jokes in the classroom, but should they? Scientists found that overall, students like it when their science teachers tell jokes, but girls and boys react differently to certain types of jokes.