News
- 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.
By Nathan Seppa - 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.
By Janet Raloff - Chemistry
Diamond cousin proposed
Researchers predict a new form of carbon that could, if made, have industrial uses.
By Devin Powell - 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.
By Bruce Bower - 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.
By Susan Milius - Chemistry
Mad cow-type diseases lie in wait
Prion infections build quickly in the brain then pause before killing, new research suggests.
- Health & Medicine
News in brief: Body & Brain
Baby's first bites make a big impression, and so do European biomedical journals, in this week's news.
By Science News - Earth
Ancient fossil sheds light on early evolution of body armor
A relative of today’s crabs and insects, the 10-legged, 520-million-year-old find may be the earliest known example of its kind with protected, jointed limbs.
By Susan Milius - Health & Medicine
Tired, sure, but is it from Lyme disease or chronic fatigue?
A scan of proteins in spinal fluid reveals distinct signatures for these two conditions, offering hope for better diagnosis and possibly treatment.
By Nathan Seppa - Humans
Mafia informants fail acid test
Tests of sulfuric acid on pig carcasses cast doubts on Mafia claims of dissolving murder victims in a matter of minutes.