Humans
- Archaeology
Fossils hint ancient humans passed through a green Arabia
Hundreds of thousands of years ago, migrating humans passed through the Arabian Peninsula, a study shows. Instead of desert, they found green grass.
- Health & Medicine
Why can’t bugs be grub?
Insects are tasty and nutritious, and raising them is good for the planet. So how can Westerners be convinced to give insects a taste?
- Brain
The immune system has a say in how hard ‘teen’ rats play
“Teen” rats like to wrestle. A new study shows the brain’s immune system might trigger changes that morph this desire for rough-and-tumble play into the calm of adulthood.
- Health & Medicine
Many food supplements unlawfully contain drugs
The most common medicines tainting these products were usually ones that doctors prescribe for weight loss, for muscle building or to boost a man’s sex drive.
- Health & Medicine
Scientists Say: Quarantine
This is a restriction on where people or animals who are sick — or suspected of being sick — can go. Doctors use quarantine to try to prevent a disease from spreading.
- Brain
Less screentime linked to better memory, learning in kids
Kids ages eight to 11 spend an average of 3.6 hours a day on screens, a new study shows. But the best thinking scores come from kids who average fewer than two hours a day of screen time.
- Archaeology
Ancient child’s ‘vampire burial’ suggests Romans feared the walking dead
A 10-year-old skeleton in a Roman cemetery had a stone placed in its mouth. It was to prevent this child from rising from the dead, a study reports.
- Microbes
Bacteria and bugs will save us from the zombie apocalypse
Don’t fear the undead. Here’s how the body’s cells, microbes and insects will eat a zombie before it ever goes looking for brains.
- Health & Medicine
Scientists Say: Parasite
Lots of organisms live in pairs, benefitting from each other. But when one organism benefits while the other suffers? That first organism is a parasite.
- Health & Medicine
Chigger ‘bites’ may trigger an allergy to red meat
Some people develop a food allergy to red meat, and researchers suspect chiggers bites are to blame.
- Science & Society
Teen vaping of marijuana raises concerns about addiction
A new study estimates that nearly 1 in 11 middle and high school students in the United States has vaped marijuana, raising concerns about addiction.
- Health & Medicine
Teens’ cell phone use linked to memory problems
A new study suggests teens who get more exposure to cell-phone radiation — and hold their phones up to their right ear — do worse on one type of memory test.
