The medieval'cog' was nearly 92 feet long and featured castles on its bow and stern. Breakthroughs, discoveries, and DIY tips sent every weekday. Archaeologists in Denmark say a sunken Viking ship near Copenhagen is the largest boat of its kind ever discovered--and that's saying something. At nearly 92 feet long, the 600-year-old vessel is also one of the best preserved examples of a cog, a "super ship" whose advanced design and carrying capacity helped transform trade in medieval Europe. "The find is a milestone for maritime archaeology," excavation lead Otto Uldum said in a statement, adding the boat now offers a "unique opportunity to understand both the construction and life on board the biggest trading ships of the Middle Ages."

Race Against Rot shows how engaging with community may be a valuable resource. Breakthroughs, discoveries, and DIY tips sent every weekday. New research gathered with the help of a free-to-play video game indicates most people are happy to help their fellow neighbors, even if it costs them a bit of cash. According to the designers of Race Against Rot, their social experiment suggests that some new strategies to address longstanding issues facing both small-scale farmers and their nearby communities could be beneficial. Environmentalists and sustainable food system advocates alike have long stressed the importance of supporting small farms, but it's easier said than done.

The tiny insects are older than dinosaurs. Breakthroughs, discoveries, and DIY tips sent every weekday. Not eating yellow snow is obviously wise advice, but how about snow that looks like a poppy seed bagel? You should also avoid that too, because those "seeds" may actually be tiny critters commonly called snow fleas. As a video taken at the Monomoy National Wildlife Refuge in Massachusetts shows, these little black specks bounce across the snow.

Ornate medieval ring discovered in Norway's oldest town Scientists are still investigating if the ring's center stone is a sapphire or colored glass. Breakthroughs, discoveries, and DIY tips sent every weekday. Last summer, Linda Åsheim found a ring so beautiful it looks like it could have been made yesterday. But Åsheim is an archaeologist, and she found the rare artifact while excavating in a Norwegian town believed to be the oldest in the country. The gorgeous golden ring is decorated with a gemstone and filigree décor--and is over 800 years old.

At least 18 new baby North Atlantic right whales have been spotted swimming with their mothers. Breakthroughs, discoveries, and DIY tips sent every weekday. While most of us were feasting on holiday foods over the past few weeks, the New England Aquarium was busy counting North Atlantic right whale () mom-calf pairs off the coast of Florida, South Carolina, and Georgia. "Congrats to all of these North Atlantic right whale moms!" reads a social media post by the aquarium highlighting six recent sightings, including Juno--an over 40-year-old mother with her ninth documented calf spotted on December 27. On January 8, the count jumped up to 18 calves, according to the Clearwater Marine Aquarium .

Technology AI Why does AI suck at making clocks? 'Telling time is a very human thing.' Breakthroughs, discoveries, and DIY tips sent every weekday. The premise is simple: all the major AI models on the market are asked to code a clock, and you get to see the results. The numbers seem to be consistently in the wrong place, and sometimes are outside the clock itself.

That time Oregon blew up a whale with dynamite. And why we should never do it again. Breakthroughs, discoveries, and DIY tips sent every weekday. When a whale dies in the ocean, an ecosystem grows around its sunken carcass. It's an epic burial at sea, something researchers call a whale fall .

NASA astronaut Nichole Ayers spotted the summer storm while aboard the International Space Station. Breakthroughs, discoveries, and DIY tips sent every weekday. Lightning is one of Earth's most impressive phenomena. The sudden discharges of superheated plasma occur even in seemingly sunny conditions, rip apart air molecules, and can easily span hundreds of miles . But while there is still a lot to learn about lightning from our perspective here on Earth, there's also much to glean by observing it from high above.

Breakthroughs, discoveries, and DIY tips sent every weekday. Critics have long warned that too much television rots your brain, but new evidence suggests at least time in front of the tube may actually benefit your mental health . In a study published in the, researchers combined their own investigations into leisure time with information from the United States Census Bureau on household size, stress levels, and screen usage. People who take some "Me Time" at home after work appear to have an easier time bouncing back to their daily responsibilities. "Household size is really about how many demands a person experiences when they go home," Soo Min Toh, a behaviorist at the University of Toronto Mississauga and study co-author, said in a university profile .

Science Archaeology World's oldest poison-tipped arrow discovered in South Africa The 60,000-year-old relic contains traces of a toxic onion. Breakthroughs, discoveries, and DIY tips sent every weekday. For thousands of years, hunters around the world have employed poison-tipped arrows to assist in taking down prey. For example, the curare plant poisons used by South and Central American hunters paralyzes the respiratory system. Meanwhile, inhabitants of the Kalahari Desert have relied on the toxins harvested from beetle larvae .