News
-
- Life
Aerobic exercise boosts memory
Regular walking improved seniors' recall and reversed declines in the size of a brain structure important for remembering.
-
‘Love’ hormone has a dark side
Often associated with feelings of closeness, oxytocin can make people more or less trusting depending on their underlying social outlook.
- Earth
Chile quake didn’t reduce risk
During the large 2010 tremor, faults ruptured mainly outside the area due for a big one, leaving the region vulnerable to future events.
- Humans
Amoebas in drinking water: a double threat
Analysis reveals widespread, hidden contamination by the sometimes lethal parasites.
- Health & Medicine
Prosthetics that feel
Re-creating a 'sense of touch' for prosthetic limbs may someday improve how people use them.
- Physics
Quantum pendulum trick explained
Physicists explain why an object swings faster when immersed in a special ultracold liquid.
- Life
Pneumonia drugs helped evolve a superbug
As told through DNA from historical samples, a deadly bacterium reveals how it developed the ability to evade antibiotics and a vaccine.
- Humans
Hints of earlier human exit from Africa
New finds suggest surprisingly early migrations by Homo sapiens out of Africa through an oasis-studded Arabia.
- Earth
Dispersants persisted after BP spill
Chemicals used to break up oil remained in the Gulf’s depths months after being released, an analysis shows.
- Tech
Pint-sized Princess Leia nearer reality
Faster but fuzzier holographic 3-D teleconferencing debuts.
- Chemistry
What DNA does when it stretches
The molecule of life has some interesting elastic properties that have scientists scratching their heads.
