Humans
- Health & Medicine
Scientists Say: Vaccine
Vaccines help the body develop immunity to a disease. They are biological mixtures that imitate a disease so the body can defend itself.
- Health & Medicine
Explainer: What is puberty?
Puberty isn’t just a time for zits, breasts and deeper voices. It also spurs brain development that helps teens handle emotions and deal with stress.
- Brain
A bit of stress may help young people build resilience
A comfortable life may sound fun but may not be so healthy in the long run. A study in monkeys shows there may be a ‘sweet spot’ when it comes to stress.
- Brain
Puberty may reboot the brain and behaviors
Facing adversity early in life can hurt how children learn to deal with stress. Puberty can sometimes offer a chance to reset how the body responds to stress, returning it to normal.
- Health & Medicine
A Hong Kong man got the new coronavirus twice
His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.
- Health & Medicine
Dust can infect animals with flu, raising coronavirus concerns
Dust particles kicked up from some virus-contaminated surface can become a source of new infections, rodent data show.
- Humans
Let’s learn about early humans
Homo sapiens are the last member left of our genus. But many other species of early humans existed before us.
- Animals
Viral scents? Dogs sniff out coronavirus in human sweat
Researchers train dogs to sniff out COVID-19. In the United Arab Emirates, sniffer dogs have already begun identifying infected passengers at airports.
- Archaeology
Underground mega-monument found near Stonehenge
Archaeologists used high-tech tools to uncover ancient underground pits near Stonehenge. The find may offer insights into Britain’s Stone Age culture.
- Archaeology
Scientists Say: Archaeology
People leave things where they’ve been — old buildings, trash heaps and human skeletons. Archaeology is the study of those left-behind things.
- Humans
When it comes to downing hot dogs, science says there’s a limit
Humans may be able to eat only 83 hot dogs in 10 minutes, new research suggests.
- Health & Medicine
Coronavirus outbreak at camp infected more than 200 kids and staff
Think kids don’t get COVID-19 and spread it? Think again. An outbreak at a Georgia summer camp left 260 people infected. The rate was highest in kids under 10.
