Scientists just grew human-like teeth in pigs
Researchers say they are one step closer to tooth regeneration in humans thanks to new developments in growing bioengineered ...
Smithsonian Magazine5 年
Megalodon May Be Extinct, but There’s a Life-size One at the Smithsonian
Erin I. Garcia de Jesus The Smithsonian National Museum of Natural History’s megalodon model is a 52-foot-long female based on a set of teeth discovered in the Bone Valley Formation in Florida.