Related topics: teeth

Diet likely changed game for some hominids 3.5 million years ago

A new look at the diets of ancient African hominids shows a "game changer" occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the University of Colorado ...

Eliminating tooth decay: Breakthrough in dental plaque research

Dutch professors Bauke Dijkstra and Lubbert Dijkhuizen have deciphered the structure and functional mechanism of the glucansucrase enzyme that is responsible for dental plaque sticking to teeth. This knowledge will stimulate ...

How the last 12,000 years have shaped what humans are today

While humans have been evolving for millions of years, the past 12,000 years have been among the most dynamic and impactful for the way we live today, according to an anthropologist who organized a special journal feature ...

Early humans: Tooth enamel reveals life histories

If you take a magnifying glass and a flashlight and look at your teeth very carefully in the mirror, in places you can spot a pattern of fine, parallel lines running across your teeth. These correspond to the striae of Retzius ...

Neanderthals may have been carnivores, according to new study

A new study published on October 17 in the journal PNAS, led by a CNRS researcher, has for the first time used zinc isotope analysis to determine the position of Neanderthals in the food chain. Their findings suggest that ...

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