Humans
We summarize the week's scientific breakthroughs every Thursday.
- Psychology
Males, females swap sex-role stereotypes
Analysis finds that mating strategies are not universal
- Health & Medicine
Birth control pills can limit muscle-training gains
Mildly 'androgenic' hormones in some birth-control pills appear to sabotage strength-building exercise.
- Health & Medicine
Morning birds buckle under sleep pressure
Sleep pressure helps set the circadian clocks of early birds and night owls.
- Humans
ED in women: Drugs for men might not help
Women can experience sexual dysfunction just as men can — and for much the same reason — but the little blue pill will likely not solve the problem, new animal data suggest.
- Chemistry
Yeast bred to bear artificial vanilla
Researchers have co-opted fungi to produce the flavor more efficiently.
- Animals
Ants do real estate the simple way
Tracking ants with anti-shoplifter RFID tags has inspired a new, simplified view of how a colony finds a home
- Health & Medicine
Mom’s exercise helps fetal lungs mature
Cardiovascular exercise appears to benefit both mom and the baby she's carrying.
- Agriculture
News from Experimental Biology
Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans
- Health & Medicine
Childhood leukemia worsened by genetic mutations
Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.
- Life
New neurons don’t heal
New neurons produced in the brain after a stroke don’t grow into all the cell types needed to heal the wound.
- Health & Medicine
Coming: Ersatz calorie restriction
Avocados may hold a key to longer, better health.
- Humans
Apple a day may keep cardiologists away
Nutrition scientists think apples might replace some drugs as a way of limiting heart disease.
