Humans
We summarize the week's scientific breakthroughs every Thursday.
- Archaeology
X-rays reveal what ancient animal mummies keep under wraps
A new method of 3-D scanning mummified animals reveals life and death details for a snake, a bird and a cat.
- Humans
Ancient sculptures hint at universal facial expressions across cultures
Interpreting the emotions carved onto sculptures from long ago offers a new way to study how humans perceive facial expressions.
- Health & Medicine
Dust can spread influenza among guinea pigs, raising coronavirus questions
In three out of 12 guinea pig pairs, an animal coated in influenza virus, but immune to infection, spread the virus to another rodent through dust.
- Climate
Hurricanes have names. Some climate experts say heat waves should, too
A newly formed international alliance aims to raise awareness about extreme temperatures and protect vulnerable populations.
- Psychology
Why do we miss the rituals put on hold by the COVID-19 pandemic?
Even solitary rituals bind us to our groups and help calm anxieties. What happens when those traditions are upended?
- Science & Society
Interfaith soccer teams eased Muslim-Christian tensions — to a point
Soccer bonded Christian and Muslim teammates in Iraq, but that camaraderie didn’t change attitudes.
- Archaeology
The oldest known grass beds from 200,000 years ago included insect repellents
Found in South Africa, 200,000-year-old bedding remnants included fossilized grass, bug-repelling ash and once aromatic camphor leaves.
- Health & Medicine
4 reasons you shouldn’t trash your neck gaiter based on the new mask study
Despite news coverage to the contrary, the study was meant to figure out how to evaluate masks, not actually do the comparison.
- Health & Medicine
Here’s what we know about Russia’s unverified coronavirus vaccine
Despite incomplete testing, Sputnik V may be the first COVID-19 vaccine given to the general public, rolling out initially to teachers and doctors.
- Health & Medicine
How two coronavirus drugs for cats might help humans fight COVID-19
Scientists are exploring if drugs for a disease caused by a coronavirus that infects only cats might help also people infected with the coronavirus.
- Anthropology
Better playground design could help kids get more exercise
Playgrounds designed for imaginative play can make a difference in how much kids move
- Climate
Emissions dropped during the COVID-19 pandemic. The climate impact won’t last
New estimates suggest coronavirus shutdowns cut global carbon dioxide emissions from fossil fuels by nearly 30 percent, on average.
