Sentences with phrase «on ancient teeth»

Most genetics research on ancient teeth has focused on the inner tooth tissue, dentine, but Adler's team found that cementum, the coating of the root, was a richer source of DNA.

An introduction to Deep Time, the Geological Timescale and dating the Earth's past Stone Age man ate mushrooms as part of their diet, a study on ancient tooth plaque has revealed.

Not exact matches

Probably creationist don't turn to Leviticus 13 for medical advice on how to treat skin disease (leprosy); nor do they turn to Joshua 6 (Siege and fall of Jericho) for lessons in military science; nor do they turn to the staple of ancient legal science in Exodus 21:23 - 2 (lex talons «eye for an eye, tooth for a tooth») for modern jurisprudence.

To blame the past for errors which have brought us to this pass is to indulge in the ancient fallacy of saying that the fathers have eaten sour grapes and the children's teeth are set on edge.

Shorter spines seen on some ancient specimens could have functioned somewhat like teeth and might have been an early evolutionary step toward tooth development, Briggs proposes.

The findings bolster earlier suggestions that ancient fish had enamel - armored scales, and they point to a new scenario for exactly how the substance ended up on teeth.

We've been excavating a site on the beach about 10 meters from the high tide line for about 10 years, finding stone tools and ancient mammal bones and teeth.

In this issue alone, we report on ancient advances in dentistry that would have treated tooth decay, and a new technology that, if developed, could alleviate water shortages.

CHIPPED OFF Tooth damage sustained by Homo naledi, an ancient South African humanlike species, resulted from a diet heavy on hard or gritty objects, researchers say.

As soon as spelunkers led by Pedro Boshoff, a former student of Berger's, found a handful of ancient teeth and a jaw deep in the cave's Dinaledi Chamber in September 2013, it was clear that «something bizarre was going on,» Berger says.

Based on analysis of more than 300 teeth, skull and lower - body measurements, Alba and colleagues assign the partial skeleton to a new genus and species of ancient ape, Pliobates cataloniae.

A rich history of life on earth lies out of sight — in 100 million - year - old nuggets of amber, in potato - shaped fossil eggs, and in mundane - looking ancient teeth.

Thanks to a lack of dental hygiene in the Middle Ages, Warinner found a trove of ancient microbial material on teeth of four skeletons from a medieval monastery in Dalheim, Germany.

The new findings on Arctic Ocean salinity conditions in the Eocene were calculated in part by comparing ratios of oxygen isotopes locked in ancient shark teeth found in sediments on Banks Island in the Arctic Circle and incorporating the data into a salinity model.

CU - Boulder Associate Professor Jaerlyn Eberle, left, and research colleagues collect ancient sharks teeth on Banks Island in the Arctic Circle.

This year, geneticists at the Australian Centre for Ancient DNA (ACAD) at the University of Adelaide hope to recover DNA from a roughly 18,000 - year - old H. floresiensis tooth, which was excavated in 2009 from the Liang Bua site on the Indonesian island of Flores.

The idea of being bitten by a nearly toothless modern frog or salamander sounds laughable, but their ancient ancestors had a full array of teeth, large fangs and thousands of tiny hook - like structures called denticles on the roofs of their mouths that would snare prey, according to new research by paleontologists at the University of Toronto Mississauga (UTM).

A team of researchers has validated data and found a new model for paleontologists to use to track the diet of our ancient ancestors and animals by analyzing the wear on their teeth.

A team of scientists has shown for the first time that nicotine residue can be extracted from plaque on the teeth of ancient tobacco users.

The plot hinges on an ancient silk manuscript written in a mysterious tongue, torn in half by the teeth of the last Chinese emperor, Puyi, in a fit of rage, and destined to be a...