Nearly 42 million years ago, a fearsome bobcat-sized creature prowled the forests of what is now San Diego. Unlike most animals at the time, it was a hypercarnivore, built to…
Author: ID
School mask mandates in the U.S. reduced coronavirus transmission
The verdict is, once again, in: Masking in schools is effective. During the COVID-19 pandemic’s delta variant wave, schools that required masking had approximately one-fourth the rates of in-school coronavirus…
A new saber-toothed mammal was among the first hypercarnivores
Nearly 42 million years ago, a fearsome bobcat-sized creature prowled the forests of what is now San Diego. Unlike most animals at the time, it was a hypercarnivore, built to…
How to make irresistible traps for Asian giant hornets using sex
Male Asian giant hornets captivated by the chemical signals of a ready-to-mate queen could one day find themselves stuck in a trap instead. In a new study, scientists identified three…
Some of the sun’s iconic coronal loops may be illusions
Coronal loops, well-defined hot strands of plasma that arch out into the sun’s atmosphere, are iconic to the sun’s imagery. But many of the supposed coronal loops we see might…
50 years ago, oxygen was touted as a potential memory loss treatment
Retaining older people’s memory — Science News, March 18, 1972 In spite of the age-old yearning for the Fountain of Youth, there is a marked lack of research toward retaining…
Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark
It started with polar bears. In 2012, polar bear DNA revealed that the iconic species had faced extinction before, likely during a warm period 130,000 years ago, but had rebounded.…
Potty-trained cattle could help reduce pollution
You can lead a cow to a water closet, but can you make it pee there? It turns out that yes, you can. Researchers in Germany successfully trained cows to…
Earth’s purported ‘nearest black hole’ isn’t a black hole
The nearest black hole to Earth isn’t a black hole at all. Instead, what scientists thought was a stellar triplet — two stars and a black hole — is actually…
Core memory weavers and Navajo women made the Apollo missions possible
The historic Apollo moon missions are often associated with high-visibility test flights, dazzling launches and spectacular feats of engineering. But intricate, challenging handiwork — comparable to weaving — was just…
