Health & Medicine
- Chemistry
Scientists know that you pee in the pool
A new way to find urine in pools and hot tubs measures the concentration of an artificial sweetener in the water.
- Health & Medicine
Ötzi the mummified Iceman actually froze to death
Ötzi the Iceman, a mummy whose icy 5,300-year-old remains turned up in the Alps in 1991, died of the cold — not murder. That’s the result of new forensic analyses.
- Health & Medicine
Concerns explode over new health risks of vaping
A host of brand new studies unearth worrisome health concerns related to teen vaping.
- Brain
Just viewing super-size meals can promote overeating
Large portions of food dampen activity in a brain area involved in self-control, a new study shows.
- Brain
Food smells better to sleepyheads
People who want to resist junk foods or overeating may want to make sure they get a good night’s rest. Being tired makes the scent of foods more appealing, a new study finds.
- Animals
Among mice, scratching is catching — as in contagious
Contagious itching spreads by sight, mouse-to-mouse. Scientists have now identified brain structures behind this phenomenon.
- Health & Medicine
Early birds eat better
People who love mornings tend to eat healthier food throughout the day. This could help explain why night owls tend be less healthy overall.
- Health & Medicine
Legalizing pot may confuse teens into thinking it’s safe
A growing number of teens think marijuana is no big deal, a new study finds. And that may encourage many to experiment with its use.
- Brain
Study links ADHD to five brain areas
A new international study shows that the brains of children with ADHD are different from those in people without this condition.
- Health & Medicine
Analyze This: Zika and microcephaly
Data from pregnant women with Zika in Colombia helped scientists probe whether Zika causes birth defects.
- Animals
Frog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
- Microbes
Teen invents a dip to keep germs away
A teen competing in the 2017 Regeneron Science Talent Search invented an eco-friendly chemical mix. It should keep bacteria from growing on treated paper, fabrics — including wound coverings — and more.
