Ancient grooves on human teeth, once hailed as evidence of tooth-picking, may simply be the result of natural wear, according to a new study of wild primates. The research also revealed that a common modern dental defect appears to be uniquely human, hinting that today’s lifestyles may be reshaping our teeth in unexpected ways.
Source: ScienceDaily | Evolutionary Biology
ScienceDaily | Evolutionary Biology
- Scientists found Homo erectus 200,000 years earlier than expected
- Animals may have evolved 200 million years earlier than we thought
- Bats may have first evolved in Europe 65 million years ago
- This 245-million-year-old fossil still has its stomach and intestines
- Scientists were wrong about this strange mammal for nearly 40 years
- 160-million-year-old proteins show surprising power against superbugs
- 1.7-billion-year-old fossils reveal a crucial clue to the rise of complex life
- A broken rib from the world’s largest T. rex hid a 66-million-year-old secret
- A 66-million-year-old tooth reveals T. rex was nearly as warm as a human
- A 240-million-year-old fossil just changed the dinosaur timeline
