LearningBD

About 65 million light-years from Earth, three galaxies don’t look quite right. They aren’t whirlpools bursting with light, but pallid objects dimly illuminated by a smattering of stars. “They have this ghostly appearance,” said Michael Keim, an astrophysicist at Yale University. And this isn’t even the weirdest thing about them. Dark matter is the invisible

The patient: A 16-year-old girl in California The symptoms: The teenager was referred to an emergency department because she was having hallucinations, including seeing a flying green dinosaur and hearing voices telling her to hurt others. She also had a sense that she was being followed. In the emergency room, she was trembling and sweating

The warrior was buried with the remains of his weapons and his horse near the center of the ancient necropolis in the Kuban region near the Russian city of Krasnodar. (Image credit: Abramzon et al. 2015) Archaeologists in southern Russia have unearthed the 2,000-year-old grave of an elite warrior who was buried with his weapons, horse —

Flu season in the U.S. typically starts around late October or early November and peaks between December and February. But new data reveals that the current flu season is starting slightly earlier than normal. According to the Centers for Disease Control and Prevention (CDC), around 3.4% of respiratory samples tested for flu came back positive

An OpenAI agent was supposed to be researching public healthcare spending, but it broke into an Australian government website instead. The June 18 hack, which saw the bot gain authorized entry into Australia’s Medicare Statistics Reporting Service and access three other government systems, occurred after the AI agent encountered blocks while looking for information but

Six people buried in a single grave in Latvia more than 1,000 years ago may have been killed in a bloody Viking raid, a new study suggests. Genetic research into the deceased — four men, a boy and a girl — reveals family connections: The boy was the son of one of the men, while

The prehistory of Indigenous Americans goes back tens of thousands of years before the 1492 arrival of Christopher Columbus in the Bahamas, and recent scientific studies suggest prehistoric people were on the American continents a lot longer than many experts believed. For Indigenous Peoples Day, here are seven locations in the United States that outline