Cell Transplantation study shows bone growth from implanted tooth and dental pulp stem cells
Researchers in Japan have completed a study showing that stem cells derived from deciduous canine teeth and dental pulp can be grafted and produce bone regeneration between parents and offspring. Their results are published ...
Not just skin deep -- CT study of early humans reveals evolutionary relationships
CT scans of fossil skull fragments may help researchers settle a long-standing debate about the evolution of Africa's Australopithecus, a key ancestor of modern humans that died out some 1.4 million years ...
Officials say beaver teeth are 7 million years old
(AP) -- The Bureau of Land Management says a fossil found by employees on federal land represents the earliest record of living beavers in North America.
Archaeopteryx and the dinosaur-bird family tree
The magpie-sized Archaeopteryx had bird and dinosaur features and helped show that birds evolved from dinosaurs. However, recent research in the journal Nature questions its position in the dinosaur-bird family ...
Consumers willing to pay premium for healthier genetically modified foods: study
Consumers are eager to get their hands on, and teeth into, foods that are genetically modified to increase health benefits and even pay more for the opportunity.
Components based on nature's example
They are lightweight and yet strong and resilient: straw, bamboo, bones and teeth owe their surprising strength to their cleverly designed internal structures and a judicious combination of materials. The ...
Hand prosthetic gives teen new independence
A toothy grin only a palaeontologist could love
(PhysOrg.com) -- McGill and University of Sao Paulo researchers identify new species of 70-million-year-old crocodile - with really big teeth and dog-shaped head.
Vikings in English grave had filed teeth
Evolutionary reasons for believing in luck
How far will you go to avoid bad luck? Do you avoid walking under ladders, carry lucky charms, or perhaps instead perform special rituals before important meetings or sporting events?
Tiny teeth are new mouse species, a rare 'living fossil'
(PhysOrg.com) -- Tiny fossil teeth discovered in Inner Mongolia are a new species of birch mouse, indicating that ancestors of the small rodent are much older than previously reported, according to paleontologist ...
Researcher shows how cone snails developed poison gland from spare gut parts
The peculiar feeding mechanism of the first vertebrates
A fang-like tooth on double upper lips, spiny teeth on the tongue and a pulley-like mechanism to move the tongue backwards and forwards -- this bizarre bite belongs to a conodont and, thanks to fresh fossil ...
No nuts for 'Nutcracker Man': Early human relative apparently chewed grass instead
(PhysOrg.com) -- For decades, a 2.3 million- to 1.2 million-year-old human relative named Paranthropus boisei has been nicknamed Nutcracker Man because of his big, flat molar teeth and thick, powerful jaw. ...