How Ancient Teeth Reveal the Roots of Humankind
2018年7月2日 · In 2015, researchers uncovered one of the most significant finds in dental archaeology: 47 teeth in a cave in southern China. Identified as belonging to Homo sapiens, these teeth provided...
Paleontology: Fossil Identification - AMNH
See the following examples of fossil specimens - plants, dinosaur teeth and eggs - along with clues to identifying them. Which Are the Fossil Plants? The large black slab shows late-Middle to Late Pennsylvanian (~308 to 300 million years old) plants from the famous St. Clair fossil beds of …
Dental Detectives: What Fossil Teeth Reveal About Ancestral …
2016年10月25日 · From the thickness of tooth enamel to the molecular signatures on a tooth left behind by foods eaten by a human, fossil teeth hold many clues to the diets of our ancestors.
Palaeontology: Evolution with teeth - Nature
2017年5月4日 · The teeth of fossil hominins can reveal what our extinct relations were able to eat. Credit: Istock/Getty. In Evolution's Bite, palaeoanthropologist Peter Ungar offers a compelling account of...
Fossil scans reveal origins of teeth - Nature
2013年10月16日 · Skin of the teeth. Using X-ray tomographic microscopy with laser-like synchrotron radiation, a technique that reveals the internal structure and composition of fossils, Donoghue and his team...
Here's What You Need to Know About That Fossil Teeth
2017年10月23日 · Scientists have announced the shock discovery in Germany of ancient teeth fossils that are nearly 10 million years old, and which they say don't fit in with our established timeline of human history.
Fossil teeth reveal how brains developed in utero over millions of ...
2023年1月25日 · Using a new equation based on today’s primates, scientists can take a few molar teeth from an extinct fossil species and reconstruct exactly how fast their offspring grew during gestation.
The role of teeth in human evolution | British Dental Journal
2013年9月27日 · A review of recent insights into palaeodiets provided by new dating techniques, spectroscopy and attritional wear of enamel in ancient and recent human fossils. Fossilised dental plaque reveals...
Video: Teeth and Human Evolution | Peabody Museum - Harvard …
2015年5月5日 · Tanya Smith will discuss how she studies fossil teeth with state-of-the-art technologies to gain virtual access to these records and share what this research reveals about differences between Neanderthals and Homo sapiens, and about our evolution over the past seven million years.
What fossil bones and teeth can tell. In order to try and work out how extinct animals lived and behaved, scientists study the fossilized bones and teeth they recover from archaeological and paleontological sites. Teeth are particularly useful as they are capped by enamel, an extremely strong and durable biological substance.