In the theater of the brain, nerve cells have long been cast as the stars, bringing mental scenes to life with their electrical and chemical performances. Yet many of the…
Category: Humans
Trained dogs sniff out COVID-19 as well as lab tests do
Dogs are as reliable as laboratory tests for detecting COVID-19 cases, and may be even better than PCR tests for identifying infected people who don’t have symptoms. A bonus: The…
Missing COVID-19 data leave us in the dark about the current surge
As science journalists, we’re accustomed to data. We sift through it and talk it over with experts. We pay close attention to the stories that numbers can tell. But at…
4 answers to key questions about the monkeypox outbreak
An outbreak of monkeypox has some people worried that the world is on the brink of another pandemic. That’s not likely, experts say. The concern has been fueled by more…
Lasers reveal ancient urban sprawl hidden in the Amazon
A massive urban landscape that contained interconnected campsites, villages, towns and monumental centers thrived in the Amazon rainforest more than 600 years ago. In what is now Bolivia, members of…
Unexplained hepatitis cases in kids offer more questions than answers
As health officials continue their investigation of unexplained cases of liver inflammation in children, what is known is still outpaced by what isn’t. At least 500 cases of hepatitis from…
COVID-19 has killed a million Americans. Our minds can’t comprehend that number
One million deaths. That is now roughly the toll of COVID-19 in the United States. And that official milestone is almost certainly an undercount. The World Health Organization’s data suggest…
A Denisovan girl’s fossil tooth may have been unearthed in Laos
A molar tooth from Southeast Asia probably belonged to a member of a cryptic group of Stone Age hominids called Denisovans, researchers say. If so, this relatively large tooth joins…
Pressure to conform to social norms may explain risky COVID-19 decisions
The pandemic has entered a murky stage, and social norms are quickly shifting, something I’ve thought a lot about lately. Many people are testing at home, or not at all.…
Pressure to conform to social norms may explain risky COVID-19 decisions
The pandemic has entered a murky stage, and social norms are quickly shifting, something I’ve thought a lot about lately. Many people are testing at home, or not at all.…
