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. ...
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 ...
New research suggests right-handedness prevailed 500,000 years ago
(PhysOrg.com) -- Research by University of Kansas professor David Frayer shows that distinctive markings on fossilized teeth correlate to the right or left-handedness of individual prehistoric humans.
If these teeth could talk: What was really on the menus of our ancestors?
For human ancestors, eating could be hard work.
Reptilian root canal: Study reveals infection in jaw of ancient fossil
A reptile that lived 275-million years ago in what is now Oklahoma is giving paleontologists a glimpse of the oldest known toothache.
When African animals hit the hay: Fossil teeth show who ate what and when as grasses emerged
Fossil teeth of African animals show that during the past 10 million years, different plant-eating critters began grazing on grass at different times as many switched from a salad-bar diet of tree leaves and ...
Archaeologists discover saber-toothed vegetarian
Surprised scientists have discovered the remains of a saber-toothed vegetarian.
Does fluoride really fight cavities by 'the skin of the teeth'?
In a study that the authors describe as lending credence to the idiom, "by the skin of your teeth," scientists are reporting that the protective shield fluoride forms on teeth is up to 100 times thinner than previously believed. ...
Biologists use GPS to 'map' bats teeth to explore evolutionary adaptations to diet
(PhysOrg.com) -- In a clever use of GPS technology, biologists at the University of Massachusetts Amherst have "mapped" the topography of bat teeth as if they were uncharted mountain ranges, in order to better ...
Ancient teeth raise new questions about the origins of modern man
Eight small teeth found in a cave near Rosh Haain, central Israel, are raising big questions about the earliest existence of humans and where we may have originated, says Binghamton University anthropologist ...