Deer markings actually glow

Scrapes on the ground and rubs on trees radiate a glow under ultraviolet light. Chamberlain Smith Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Animals see the world around them in ways that we humans can only imagine. Arctic reindeer’s eyes changeContinue Reading

Why is this infamous iceberg turning blue?

Iceberg A-23A broke off of Antarctica’s Filchner Ice Shelf 40 years ago. NASA Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Iceberg A-23A is looking a little blue these days. In late December 2025, NASA and NOAA’s Terra satellite spotted the massive iceberg coveredContinue Reading

Diarrhea slowed down Roman soldiers

Third century baths and latrine block at Vindolanda, the Roman fort close to Hadrian’s Wall in northern England. Vindolanda Trust Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. The soldiers guarding the Roman Empire’s northwestern frontier had a real parasite problem. Scientists analyzing theContinue Reading

Rare 19th-century coins found after fire at historic tavern

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Out of the ashes of a devastating fire, archeologists are uncovering exciting insights into Ohio history. On December 7, 2024, a fire swept through southwestern Ohio’s Overfield Tavern Museum in Troy, destroying several historical items inContinue Reading

Endangered shark meat keeps ending up on store shelves

Scalloped hammerheads are large apex predators. This one is swimming in the Galápagos Islands off the coast of Ecuador. CREDIT: Prisma Bildagentur/Universal Images Group via Getty Images. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Sharks have been swimming in Earth’s seas over 450Continue Reading