Bone Roundup
Oyster blood carries the raw material for making shell and bone, and covering titanium joints with …
WWII Tree Disease
A fungus brought by American troops during World War II infected Italian trees.
Soil and Global Warming
Soil can be made to retain carbon, which would help prevent global warming.
Smell Roundup
A computer that sends smells over the Internet, and a cannon that shoots odors from 12 feet away.
Predicting Fingerprints
A mathematical model predicts fingerprint patterns based on biological factors.
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.