On this week’s show: Using new technology and bee behavior, researchers and beekeepers are working to defeat a mite that has decimated bee colonies worldwide. Meanwhile, other researchers are training an artificial intelligence to recognize the emotiona

On this week’s show: Making a permanent liquid magnet, and how nongenetic factors could help parents pass trauma to their children

On this week’s show: How seabirds can be “barometers” for marine ecosystems during times of environmental stress, and the origins of pointing

On this week’s show: Will making gasoline from carbon dioxide soon be cheaper than pulling it out of the ground? And new “autofocal” glasses may soon replace your bifocals

On this week’s show: making chimeras by placing stem cells from one species into the embryo of another, and exploring how bats switch between vision and echolocation. Plus, our monthly books segment!

On this week’s show: what puppy dog eyes and diseased spines mean for our understanding of dog domestication, and a study on honesty that involved placing 17,000 “lost” wallets around the world

On this week’s show: A swarm of satellites helps measure the speed of hurricane winds, and new data on the surface of Europa reveal more about its subsurface oceans

On this week’s show: Perovskites have made it big in solar and are now poised to enter the light-emitting diode business, and what we can learn about the limits of human endurance from transcontinental racers

On this week’s show: why some Ph.D. programs are dropping the General Record Examination requirement for applicants and why DeepMind is teaching artificial agents to play a video game from 1999

On this week’s show: The Large Hadron Collider could be making particles that physicists haven’t looked for and modified wood that can passively cool buildings