Changing ‘just one DNA letter’ in female mice triggers growth of male genitalia
Changing just one “letter” in the DNA of female mouse embryos triggers the development of male genitalia and testes, scientists have found. “This is a...
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Aoshima: Japan’s tiny ‘Cat Island’ where felines hugely outnumber humans
QUICK FACTS Name: Aoshima Location: Ehime prefecture, Japan Coordinates: 33.7361, 132.4812 Why it’s incredible: Cats outnumber humans by about 27 to 1. Aoshima is a...
AI war games almost always escalate to nuclear strikes, simulation shows
Defense and intelligence agencies are increasingly relying on artificial intelligence (AI) systems to augment their capabilities, including for pattern recognition in intelligence gathering and scenario...
Entire lower-class families were sacrificed to honor local royalty 1,500 years ago in Korea, DNA analysis reveals
About 1,500 years ago, entire families were sacrificed to honor local royalty in what is now South Korea, a new genetic study finds. The analysis...
James Webb telescope spots ‘stingray’ galaxy system that could solve the mystery of ‘little red dots’
Astronomers have spotted an intriguing triple-galaxy system, nicknamed “The Stingray,” that dates to when the universe was just over 1.1 billion years old. A new...
‘RIP, Comet MAPS’: Watch the superbright sungrazer become a ‘headless wonder’ after being ripped apart by the sun
A highly anticipated “sungrazer” comet is no more. Many experts expected the comet to shine so brightly that it could be seen in the daytime...
Scientists create new type of encryption that protects video files against quantum computing attacks
Computer scientists say they’ve developed a new encryption method designed to defend sensitive data from one of the biggest looming threats in cybersecurity: quantum computers...
There’s an issue with the Artemis II heat shield, but NASA isn’t worried. Here’s why.
The Artemis II astronauts are about to return from a record-setting trip around the moon, but is their Orion spacecraft’s heat shield safe to bring...
Western states face above-normal wildfire threats this summer. New maps reveal which areas are most at risk.
Every state in the West is expected to face an above-normal threat of wildfire this summer, according to the latest projections, released Wednesday by the...
16th-century silver coin discovered near Strait of Magellan marks the spot of a doomed Spanish colony
Archaeologists have discovered a Spanish coin placed beside the Strait of Magellan in southern Chile as part of a ceremony carried out by colonists more...