Uncategorized
- Animals
Octopuses and squid are masters of RNA editing while leaving DNA intact
Modifications to RNA could explain the intelligence and flexibility of shell-less cephalopods.
- Environment
More than half of the world’s largest lakes are drying up
Satellite data from 1992 to 2020 reveal that 53 percent of the world’s largest freshwater bodies shrank during that period while only 24 percent grew.
- Life
Large predators push coyotes and bobcats near people and to their demise
Coyotes and bobcats hide near people when wolves, cougars and other large predators are close-by, putting the smaller carnivores at a higher risk of dying at human hands.
- Health & Medicine
As U.S. courts weigh in on mifepristone, here’s the abortion pill’s safety record
Decades of data, including data collected during the coronavirus pandemic, support mifepristone’s safety. The drug’s fate in the United States may now be determined by judicial review.
- Archaeology
The oldest scaled-down drawings of actual structures go back 9,000 years
Rock engravings in Jordan and Saudi Arabia may be maps or blueprints of desert kites, massive structures once used to capture animal herds.
- Science & Society
Anténor Firmin challenged anthropology’s racist roots 150 years ago
In The Equality of the Human Races, Haitian scholar Anténor Firmin showed that science did not support division among the races.
- Health & Medicine
Stimulating spleens with ultrasound hints at a treatment for inflammation
Using an intense kind of ultrasound stimulation against inflammation holds promise but so far has been tested only in rodents and human blood samples.
- Health & Medicine
Scientists may have found an antidote for death cap mushrooms
A dye countered the effects of a mushroom toxin in human cells and mice. If the antidote does the same in people, it has potential to save lives.
- Science & Society
Deliberate ignorance is useful in certain circumstances, researchers say
The former East German secret police, the Stasi, spied on people for years. But when given access to the Stasi files, most people didn’t want to read them, researchers found.
- Neuroscience
A rare mutation helped one man stave off Alzheimer’s for decades
The brain of a Colombian man with an inherited form of Alzheimer’s may hint at ways to halt or slow the progression of the disease.
- Astronomy
The first radiation belt outside the solar system has been spotted
Encircling a Jupiter-sized body about 18 light-years from Earth, the radiation belt is 10 million times as bright as the ones around Jupiter.
- Math
‘Once Upon a Prime’ finds the hidden math in literature
In her new book, mathematician Sarah Hart explains how math shapes all sorts of literary works, from nursery rhymes to Moby-Dick.
