Health & Medicine
- Health & Medicine
Military combat marks the brain
Regions involved in memory and attention changed after soldiers' deployment, though most eventually returned to their pre-combat state.
- Health & Medicine
Low-cal longevity questioned
Limited food intake in rhesus monkeys fails to extend the animals’ survival, in a departure from earlier reports.
- Health & Medicine
Brain learns while you snooze
Mind can make associations between smells and sounds during sleep.
- Health & Medicine
Infrared light offers promise of laser-sharp cancer therapy
Laser technique targets tumors with reduced risk of side effects compared with conventional chemotherapy.
- Life
Kick in the gut may lead to IBD
Short-term infection could create conditions for long-term intestinal illness, a study suggests.
- Health & Medicine
Tattoo rashes linked to ink
Tainted supplies caused outbreak of stubborn bacterial skin infections.
- Life
Antibiotics linked to fat buildup
Research in mice implicates changes in gut microbe mix; study in infants finds excess weight gain after use of the drugs.
- Health & Medicine
Ovulation spurred by newfound semen ingredient
A common growth-boosting protein may act as a pregnancy-protecting hormone in humans.
- Chemistry
Supersmall lab-on-a-chip is superfast
Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.
- Health & Medicine
Brain’s hidden sewers revealed
Specialized cells host a hitherto unknown cleansing system.
- Life
Mantis shrimp flub color vision test
Unexpectedly poor results on crustacean eye exams suggest there’s another way to perceive color.
- Earth
Antibacterial agent can weaken muscle
Triclosan impairs the power of the heart and other muscles in two species and at relatively low doses.
