The remote south Atlantic island of St. Helena boasts an international celebrity: the tortoise Jonathan, the oldest living land animal. At 194 years old, he has outlasted the expected lifespan for an Aldabra giant tortoise (Aldabrachelys gigantea) by about a century. Now, scientists have identified a range of unique genetic and epigenetic traits that may […]
As AI Closed In on ‘Unique Games’ Proof, Researchers Raced to Beat the Machines Read More »
The difficulty of this coloring problem will depend on the layout of the graph, the number of allowed colors, and the specific set of constraints. Khot was interested in cases where the best possible coloring satisfies most but not all of the constraints — say, 99% of them. Finding this near-perfect coloring is a difficult
Cat food investigation finds toxic contaminants across nearly all brands Read More »
(CNN) – A new investigation into cat food found toxic chemicals in nearly all types and brands. One hundred of the top-selling cat foods, including wet, dry and air- or freeze-dried foods, were tested for more than 120 contaminants. Toxic plastic contaminants, the herbicide glyphosate and heavy metals such as lead, mercury and arsenic were
Researchers have observed the strongest candidate yet for a “microblazar” — a dazzling object that has long been predicted to exist but never spotted. Observations of microblazars would give astronomers closer views of black holes emitting powerful jets of energy and help them understand how these extreme objects behave. Blazars are some of the most
Archaeologists have unearthed evidence that men, women and children were subjected to violence within their communities in ancient Scandinavia — and that these victims were buried in unusual places, such as pits or wells or under a family’s house or yard. During the Scandinavian Iron Age and Viking Age (from roughly 500 B.C. to A.D.
Gauff, Sun set for Beijing battle in junior’s first-ever top 5 matchup Read More »
BEIJING — When Coco Gauff burst onto the scene seven years ago, all eyes were on the then 15-year-old. At the 2019 Wimbledon Championships, Gauff made her statement run from qualifying to the fourth round, highlighted by a win over her idol Venus Williams in her first-ever Grand Slam main draw match. Now, in 2026
QUICK FACTS Where is it? Lake Powell, Utah [37.47537121, -110.70474226] What’s in the photo? A “sunglint” transforming a reservoir into a giant silver river Who took the photo? An unnamed astronaut on board the International Space Station When was it taken? 2016 This eye-catching astronaut photo mosaic shows a rare “sunglint” transforming a snaking reservoir
You may have watched the moon block out the sun during a solar eclipse, but have you ever seen it do that to a planet? Early Tuesday (Oct. 6) morning, skywatchers across much of eastern North America will have an opportunity to watch a crescent moon pass directly in front of Jupiter. The rare alignment
Is AI the End of Math As We Know It? Read More »
Throughout the summer of 2026, there were plenty of signs of what was to come. Every week, it seemed, artificial intelligence models were offering proofs of decades-old mathematical conjectures. So what happened on September 8 shouldn’t have been a complete surprise. And yet to many it felt sudden, almost violent. OpenAI announced that its models
JOHNSON COUNTY, Tenn. – A crash involving a Virginia school bus and a passenger vehicle left one dead and multiple injured in Tennessee on Friday night, Johnson County Sheriff’s Office said. JCSO said emergency personnel responded to a crash involving a school bus and a passenger vehicle near the 7000 block of Highway 91 around
Michael Douglas reflects on marriage ‘time out’ with Catherine Zeta-Jones Read More »
Actor Michael Douglas is sharing new details about his decades-long career in Hollywood, and the dramatic life he lived off the screen as well. Douglas, now 82, said he met the love of his life, actress Catherine Zeta-Jones, after she first caught his attention on the big screen in the 1998 movie “The Mask of
This burial urn depicts a person, accompanied by skulls, as they are received into the Maya underworld. QUICK FACTS Name: Urn with jaguars and skulls What it is: A ceramic burial urn Where it is from: Guatemala When it was made: Circa A.D. 600 to 900 This colorful ceramic urn depicts a person wearing a
