A New York Medical College developmental biologist whose life's work has supported the theory of evolution has developed a concept that dramatically alters one of its basic assumptions—that survival is based on a change's ...
Evolution
Oct 11, 2012
8
0
(Phys.org)—Because traditional robot hands or grippers were first created to assist in production type enterprises, e.g. to help build cars, etc., they have not been very good at working with soft materials. For that reason, ...
University of Alberta researchers have uncovered physical proof that animals existed 585 million years ago, 30 million years earlier than all previous established records show.
Archaeology
Jun 28, 2012
31
0
Some 165 million years ago, the world was host to a diversity of sounds. Primitive bushcrickets and croaking amphibians were among the first animals to produce loud sounds by stridulation (rubbing certain body parts together). ...
Archaeology
Feb 6, 2012
3
0
(PhysOrg.com) -- Were dinosaurs slow and lumbering, or quick and agile? It depends largely on whether they were cold or warm blooded. When dinosaurs were first discovered in the mid-19th century, paleontologists thought they ...
Archaeology
Jun 23, 2011
8
0
(PhysOrg.com) -- Even Charles Darwin was puzzled by the apparently sudden appearance in the fossil record of a great variety of multicellular creatures — a rapid blossoming known as the Cambrian explosion. Since then, the ...
Feb 4, 2009
20
0
At Hogwarts, Harry Potter uses an invisibility cloak to hide from his enemies. In nature, animals like cuttlefish and chameleons use the awe-inspiring tricks of camouflage to hide from theirs.
Jan 15, 2009
1
0
A new Imperial College London study has answered a long-held question about why medium-sized land animals like cheetahs tend to be fastest.
Plants & Animals
Mar 12, 2024
0
120
A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists at UC Davis and the Smithsonian Institution. The new analysis puts Perucetus colossus ...
Plants & Animals
Feb 29, 2024
0
405
Many animals, including apex predators, move in groups. We know this collective behavior is fundamental to the animal's ability to move in complex environments, but less is known about what drives the behavior because many ...
Ecology
Feb 20, 2024
0
111
