Science & Society
- Physics
What did you say? Fabric masks can really muffle voices
Some types of face masks muffle speech more than others — something that teachers should take into account.
- 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.
- 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.
- Animals
Utah mink is first known case of the coronavirus in a wild animal
A wild mink appears to have picked up the novel coronavirus from farmed animals. Such spread in the wild does not appear common.
- 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
Warning! Junk foods can harm a teen’s brain
The adolescent brain has a hard time resisting junk food. But high-fat, high-sugar diets can interfere with learning and pose risks to mental health.
- Health & Medicine
COVID-19 risk linked to vaping, but addicted kids find it hard to stop
Coronavirus risk offers a good reason to quit smoking e-cigarettes, except that’s really hard. And lots of kids were trying even before the pandemic hit.
- Science & Society
These free programs can help teens seeking to quit vaping
Most kids don’t know where to find help to stop using e-cigarettes. But new teen-friendly programs are emerging.
- Science & Society
Batteries not included: This Game Boy look-alike doesn’t need them
Game Boy revolutionized the gaming industry. A newer version could help slow the rate of climate change.
- Tech
Trees power this alarm system for remote forest fires
Wind moving through tree branches is all the energy needed to power devices that can detect a remote fire before it rages into an uncontrolled inferno.
- Psychology
You should guess answers to your homework before searching online
Over a span of 11 years, an increasing share of students performed more poorly on exams than on their homework. Online homework help may explain why.
