Humans
- Humans
Some identical twins don’t have the exact same DNA
Identical twins may not be exactly identical. Mutations may arise early in development that account for tiny genetic differences between siblings.
- Math
What the mummy’s curse reveals about your brain
A man died soon after opening a mummy’s tomb. But don’t assume the mummy killed him. Statistics help explain why coincidences may not be meaningful.
- Brain
Loneliness makes our brains crave people
An area of the brain that lights up when hungry people see food also revs up when lonely people see social activities.
- Health & Medicine
What kids need to know about getting a COVID-19 shot
COVID-19 vaccines are already being administered to some adults. Here’s what that means for kids and teens.
- Health & Medicine
Early details emerge about the new U.K. coronavirus variant
The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.
- Health & Medicine
Strongest bones come from Goldilocks recipe of exercise and rest
Building strong bones for life depends on adolescents staying active and getting enough sleep. Sometimes a lot of sleep, like 11 hours!
- Psychology
Can’t remember? Maybe you multitask too much between screens
Splitting your attention between devices can make it hard to create new memories, even when you’re not multitasking.
- Health & Medicine
Social distancing for teens shouldn’t mean giving up your social life
During even partial lockdowns, keeping connected with friends makes all the difference. That’s what athletes and other teen groups are finding.
- Science & Society
Suffering from racist acts can prompt Black teens to constructive action
Stress from experiencing racist acts can lead Black teens to recognize and confront racism and fight for social justice.
- Archaeology
This prehistoric woman from Peru hunted big game
Women in the Americas speared large prey as early as 9,000 years ago, new archaeological evidence suggests.
- Health & Medicine
Scientists Say: Apoptosis
When it’s time for cells to die, they need to do it carefully, so they don’t harm other cells.
- Health & Medicine
Third major vaccine shows great promise against COVID-19
This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.
