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.
Elephant tooth evolution rooted in grass
Once they developed a taste for grass, the ancestors of today's elephants swiftly broadened their leaf-only diet and placed their progeny on a new evolutionary track, a study said Wednesday.
A crowning success for crayfish
Nature sometimes copies its own particularly successful developments. A team of scientists from the Max Planck Institute of Colloids and Interfaces in Potsdam and the Ben-Gurion University at Beer-Sheva in ...
Researchers find shark teeth made of natural fluoride
Engineering technology reveals eating habits of giant dinosaurs
(Phys.org) -- High-tech technology, traditionally usually used to design racing cars and aeroplanes, has helped researchers to understand how plant-eating dinosaurs fed 150 million years ago.
Hand prosthetic gives teen new independence
Study Pits Man v Machine in Piecing Together 425-Million Years Old Jigsaw
(PhysOrg.com) -- A new study pitting academic expertise against a computer in recreating a 425 million-year old jigsaw puzzle has discovered that there is no substitute for wisdom born out of experience.
Vikings in English grave had filed teeth
Study: Like a tree, growth rings show lobster age
Scientists have finally figured out how to determine the age of a lobster.
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?
Scientists discover why teeth form in a single row
(PhysOrg.com) -- A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When comple ...
New technologies challenge old ideas about early hominid diets
New assessments by researchers using the latest high-tech tools to study the diets of early hominids are challenging long-held assumptions about what our ancestors ate, says a study by the University of Colorado ...
Researcher shows how cone snails developed poison gland from spare gut parts
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 ...