Human footprints in New Mexico really may be surprisingly ancient, new dating shows
Human footprints in White Sands National Park in New Mexico sparked controversy two years ago when scientists found the prints…
‘Dormant’ HIV has ongoing skirmishes with the body’s immune system
For two decades, the dominant idea in HIV research has been that antiretroviral therapy effectively wipes out active viruses that…
Hippos might be ferocious fighters, but their big teeth make them terrible chewers
Hippos are horrible at chewing, and their giant tusks and front teeth are to blame. These intimidating dental features are…
A global report finds amphibians are still in peril. But it’s not all bad news
Nearly 20 years ago, the first global assessment of amphibians found the animals facing widespread declines. Now, a second, updated…
The development of quantum dots wins the 2023 Nobel prize in chemistry
Work on tiny dots that light up TV screens and help doctors see the blood vessels that feed tumors has…
Technique to see the ultrafast world of electrons wins 2023 physics Nobel
Glimpses of the ultrafast world of electrons are changing scientists’ vision of the inner workings of atoms and molecules. The…
In noisy environs, pied tamarins are using smell more often to communicate
Native to the Brazilian Amazon, pied tamarins have always used vocal calls to communicate. But noise pollution from car traffic…
The first citrus fruits may have come from southern China
Citrus fruits’ hometown is in China, a genetic analysis suggests. An extensive look at wild members of the orange…
Early mRNA research that led to COVID-19 vaccines wins 2023 medicine Nobel Prize
Two scientists who laid the groundwork for what would become among the most influential vaccines of all time have been…
50 years ago, scientists dreamed of lasers that could kick off nuclear fusion
A powerful pulse of laser light: Step toward fusion — Science News, September 29, 1973 One spur to the development of more…
