A smart use for wisdom teeth: Making stem cells
For most people, wisdom teeth are not much more than an annoyance that eventually needs to be removed. However, a new study appearing in the September 17 Journal of Biological Chemistry shows that wisdom teeth contain a valu ...
Researchers uncover 'oldest' dog remains in Swiss cave
Researchers have found that fragments of a dog's skull and teeth discovered in a cave in Switzerland date back more than 14,000 years in what could be the oldest known remains of man's best friend.
Weird Australian hammer-tooth marsupial fossil found
(PhysOrg.com) -- Fossils of bizarre lizard-like, snail-eating marsupials have been discovered by UNSW palaeontologists in an ancient fossil field in the Riversleigh World Heritage area in Queensland. The fossils ...
Ancient meat-loving predators survived for 35 million years
A species of ancient predator with saw-like teeth, sleek bodies and a voracious appetite for meat survived a major extinction at a time when the distant relatives of mammals ruled the earth.
Hand prosthetic gives teen new independence
Homo sapiens arrived in Europe earlier than previously believed
Members of our species (Homo sapiens) arrived in Europe several millennia earlier than previously thought. At this conclusion a team of researchers, led by the Department of Anthropology, University of Vie ...
Scientists reproduce evolutionary changes by manipulating embryonic development of mice
A group of researchers from the University of Helsinki and the Universitat Autònoma de Barcelona have been able experimentally to reproduce in mice morphological changes which have taken millions of years to occur. Through ...
Tracing humanity's African ancestry may mean rewriting 'out of Africa' dates
New research by a University of Alberta archeologist may lead to a rethinking of how, when and from where our ancestors left Africa.
Jaws -- 4 million BC
It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.
New evidence on how fluoride fights tooth decay
In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. ...
Spanish hospital claims first full-face transplant
(AP) -- A team of surgeons has carried out the world's first full-face transplant on a young Spanish farmer unable to breathe or eat on his own since accidentally shooting himself in the face five years ago.
Dino tooth sheds new light on ancient riddle
Microscopic analysis of scratches on dinosaur teeth has helped scientists unravel an ancient riddle of what a major group of dinosaurs ate- and exactly how they did it!
Fossil find adds three million years to oldest known old-world monkey
Precision and brawn a deadly combination
(Phys.org) —A bizarre, pouched super-predator that terrorised South America millions of years ago had huge sabre-like teeth but its bite was weaker than that of a domestic cat, new research shows.