News
-
TechBatteries not included
Researchers have developed a sensor that, when flexed, generates enough charge to send wireless signals.
-
PsychologyMath disability tied to bad number sense
Children who don’t grasp arithmetic at all, unlike below-average students, have little feel for estimating quantities.
By Bruce Bower -
PhysicsNew data zap views of static electricity
Materials appear to build up charge by exchanging tiny bits of material, a study concludes.
By Devin Powell -
LifeBlue light used to treat diabetes
Illumination triggers control of blood sugar in mice implanted with engineered human cells.
-
SpaceSpacecraft goes from crash landing to mission accomplished
The wreckage of the Genesis probe yields a bonanza of discoveries about conditions in the early solar system.
-
-
PaleontologyBig dinosaurs kept their cool
Body temperature of long-gone beasts resembled that of mammals, study of fossil teeth suggests.
-
Health & MedicineFood choices matter in weight control
Potatoes and sugary soft drinks add pounds, a long-term analysis shows; fruit, yogurt and nuts help shed them.
By Nathan Seppa -
LifeMulticellular life arises in a test tube
A yeast experiment recapitulates a major early milestone in the history of life.
By Susan Milius -
SpaceNASA spacecraft puts moon in new focus
Images from the Lunar Reconnaissance Orbiter show fine details of the lunar surface.
By Nadia Drake -
PhysicsBetter putting in a few simple steps
A physicist develops a rule of thumb for getting the ball in the hole.
By Devin Powell -
EarthModern-day sea level rise skyrocketing
A spike that began during the 19th century appears to be linked to rising temperatures and increasing greenhouse gases.
By Janet Raloff