Insights From Rare Mummified Dinosaur Skin

Insights into the Mesozoic era usually come from fossilized bones, making the preserved skin of “Dakota”—a duck-billed dinosaur from an Edmontosaurus specimen—particularly rare. The finding, discovered in South Dakota in 1999, is uncommon because skin is trickier than bones to preserve but new research makes the discovery even more peculiar. Previously, scientists believed that preserved soft tissue had to be buried immediately after death or …

Link About It: This Week’s Picks

An explosion of color in Stockholm, NASA's Mars precautions, updates to our perception of marijuana and more

NASA’s Preventative Measures Against Potential Martian Pathogens Although the risk is small that threatening organisms will make their way to Earth via the Martian rock samples currently being collected, NASA is taking precautions. These samples—set to arrive in the 2030s—will first be held in a receiving facility that’s “capable of safely containing the most dangerous pathogens known to science,” that also “prevents substances on Earth …

Rare Fossils That Predate Dinosaurs Found in Canada

While walking her dog on the picturesque Canadian province of Prince Edward Island, high school teacher Lisa St Coeur Cormier came across something sticking out of the sand. What she discovered turned out to be extremely rare fossils (including the spine, skull and ribcage) of an unidentified animal that is believed to be 300 million years old—meaning it predates the earliest dinosaurs by 100 million …