Smell Roundup
A computer that sends smells over the Internet, and a cannon that shoots odors from 12 feet away.
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Twinkling Stars
Why do stars twinkle? (Atmospheric turbulence bends the light, and our pupils are small.)
Thought-Controlled Robots
A robotic arm moves in response to human brain signals captured earlier.
Kid Psych Roundup
Violent images increase aggressive behavior in children, and antidepressant use is up among …
Engineers Without Borders
Engineers are volunteering their technical expertise to solve problems around the world.
Technology and Poverty
Technology may be the key to lifting developing nations out of poverty.
Baby Armadillos
Do armadillos always have identical quadruplets? (Yes, indeed, but no one knows why.)
Dogs and their Owners
People pick purebred dogs based on their traits, so dogs really do look like their owners.
Cognition Roundup
Emotions affect how we buy and sell, and exercising to music improves verbal fluency.
Blind Navigator
A portable computer system allows blind people to navigate, read, and recognize faces.
Squeezing Iron
Squeezing iron under high pressure and temperature to learn about Earth's core