News
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Enzyme revives long-term memories
Increasing levels of a natural substance in the brain helps rats remember old times.
- Life
Good gene type for cancer bad for stroke
A DNA variant that helps prevent tumors may diminish the brain’s recovery after an interruption in blood supply.
- Space
Sun’s doldrums likely to last
Despite a recent flare, solar physicists project low activity for up to a decade.
- Life
Hagfish may eat through their skin
The odd dining habits of carrion-eating protovertebrates may be relevant to the evolutionary transition to land.
- Humans
Smelling a rat in a bag of chips
A forensic scientist shares tales from a very special victims unit.
- Health & Medicine
Half of adult males carry HPV
Human papillomavirus, a sexually transmitted pathogen that can cause cancer, shows up often in men and lingers for months, a study shows.
- Earth
PCBs may impair fertility
A study of women undergoing in vitro fertilization finds reduced embryo implantation among women with higher levels of one type of the banned chemicals.
- Chemistry
Diamond cousin proposed
Researchers predict a new form of carbon that could, if made, have industrial uses.
- Health & Medicine
How brains guesstimate
Experiments show how the human mind lowballs moving objects’ speed when information is lacking.
- Psychology
Club drug tied to out-of-body sensations
A Canadian survey finds a close link between ketamine and bizarre physical experiences.
- Life
Lab-engineered organism fights malaria
A new breed of poison-secreting fungi can kill parasites in a mosquito.
- Humans
U.S. probably began global fire ant spread
A genetic study shows that recent international invasions likely originated in the U.S. South, not the species’ native South American range.
