Through careful study of an ancient ancestor of modern turtles, researchers now have a clearer picture of how the turtles' most unusual shell came to be. The findings, reported on May 30 in Current Biology, help to fill a ...
Evolution
May 30, 2013
0
0
Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...
Archaeology
Jul 16, 2013
5
0
Why don't our arms grow from the middle of our bodies? The question isn't as trivial as it appears. Vertebrae, limbs, ribs, tailbone ... in only two days, all these elements take their place in the embryo, in the right spot ...
Cell & Microbiology
Oct 13, 2011
11
0
The backbone is the Swiss Army Knife of mammal locomotion. It can function in all sorts of ways that allows living mammals to have remarkable diversity in their movements. They can run, swim, climb and fly all due, in part, ...
Evolution
Mar 2, 2021
1
4346
(Phys.org)—A trio of researchers with the New York Institute of Technology has pieced together the neck of the now extinct giraffe-like creature Samotherium major and in so doing has found some clues that help explain how ...
One of the unique and most iconic features of many modern turtles is that they can withdraw their neck and head to hide and protect them within their shells. The group name of species which do this, Cryptodira, even means ...
Ecology
Mar 6, 2017
0
70
(PhysOrg.com) -- A new dinosaur named Brontomerus mcintoshi, or "thunder-thighs" after its enormously powerful thigh muscles, has been discovered in Utah, USA. The new species is described in a paper recently published in ...
Archaeology
Feb 23, 2011
9
0
A broken T. rex tooth found in another dinosaur's tail bone offers the first hard evidence that the king of all meat-eating beasts hunted live prey, US paleontologists said Monday.
Archaeology
Jul 15, 2013
7
0
Swans and geese are the envy of aeronautical engineers. Even plump geese can perform remarkable aerial acrobatics – twisting their body and flapping their powerful wings while keeping their head completely still.
Engineering
Aug 31, 2015
2
1123
With the genetics of so many organisms that have different traits yet to study, and with the techniques for gathering full sets of genetic information from organisms rapidly evolving, the "forest" of evolution can be easily ...
Evolution
Feb 24, 2011
0
0
