“Ancient DNA rewrites the tale of when and how cats left Africa.”
Views expressed in this science and technology update are those of the reporters and correspondents.
Accessed on 17 December 2025, 0504 UTC.
Content and Source: “Science News Magazine.”
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Russ Roberts (https://hawaiisciencejournal.com).
Science News Magazine
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Science News / 14h
Cats were domesticated in North Africa, but spread to Europe only about 2,000 years ago. Earlier reports of “house” cats were wild cats.
Science News / 11h
Machine learning techniques that make use of tensor networks could manipulate data more efficiently and help open the black box of AI models.
Science News / 4d
In the aftermath of slavery, white psychiatrists diagnosed Black people with “religious excitement” and claimed they were unfit for freedom.
Yesterday
Science News / 1d
It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in the sky.
Science News / 1d
A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter.
Dec 12, 2025
Science News / 4d
A mosquito proboscis repurposed as a 3-D printing nozzle can print filaments around 20 micrometers wide, half the width of a fine human hair.
Dec 11, 2025
Science News / 5d
When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say.
Science News / 5d
The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.
Dec 10, 2025
Science News / 6d
Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become reservoirs for the virus.
Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ancient site in England.
Science News / 6d
A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.
Dec 9, 2025
Science News / 7d
The finding could guide beekeepers to keep hives out of most vulnerable areas of the Irish heathlands.
Science News / 7d
A peer-reviewed paper about Chinese startup DeepSeek’s models explains their training approach but not how they work through intermediate steps.
Science News / 7d
Irritability is a normal response to frustrations, but it can sometimes signal an underlying mental health disorder, like depression or anxiety.
Dec 8, 2025
Science News / 8d
Lamniform sharks such as great whites and tiger sharks are famous for their size. The first such giants evolved 15 million years earlier than thought.
Tantalizing results from small trials and anecdotes raised hopes that drugs like Ozempic could help. Despite setbacks, researchers aren’t giving up yet.
Science News / 8d
Stalagmite data suggest Homo floresiensis faced prolonged drought that stressed both them and their prey, contributing to their disappearance.
Dec 5, 2025
A reshaped vaccine committee voted to scale back newborn hepatitis B shots despite decades of data showing the birth dose is safe, effective and vital.
Science News / 11d
Tiny cameras threaded inside a Neandertal skull provide evidence that their big noses were not an adaptation to cold climates.
Science News / 11d
By studying the genes responsible for the seahorse’s brood pouch, researchers uncovered a new route to “motherhood.”
Dec 4, 2025
Chatbots that dole out fact-laden arguments can sway voters. Those facts don’t have to be true.
Science News / 12d
A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.
Science News / 12d
Nanotyrannus wasn’t a juvenile T. rex but a petite adult of a separate species, a new study of fossil hyoid bones finds, bolstering a recent report.
A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.