News tagged with animal evolution
Errors in protein structure sparked evolution of biological complexity
Over four billion years of evolution, plants and animals grew far more complex than their single-celled ancestors. But a new comparison of proteins shared across species finds that complex organisms, including humans, have ...
May 18, 2011 |
3.8 / 5 (6) |
8
|
Did dinosaurs have lice? Researchers say it's possible
A new study louses up a popular theory of animal evolution and opens up the possibility that dinosaurs were early – perhaps even the first – animal hosts of lice.
Other Sciences / Archaeology & Fossils
Apr 06, 2011 |
5 / 5 (2) |
1
|
Evolution drives many plants and animals to be bigger, faster
For the vast majority of plants and animals, the 'bigger is better' view of evolution may not be far off the mark, says a new broad-scale study of natural selection. Organisms with bigger bodies or faster growth rates tend ...
Mar 07, 2011 |
3.7 / 5 (3) |
8
|
Parents 'more caring' in dangerous environment
Changes in the environment that put the lives of adults at risk drive parents to invest more in caring for their offspring, Oxford University scientists have found.
Jan 19, 2011 |
not rated yet |
2
Oxygen's challenge to early life
The conventional view of the history of the Earth is that the oceans became oxygen-rich to approximately the degree they are today in the Late Ediacaran Period (about 600 million years ago) after staying relatively ...
Space & Earth / Earth Sciences
Jan 05, 2011 |
4.4 / 5 (15) |
10
|
'Magical thinking' about islands is an illusion
Long before TV's campy Fantasy Island, the isolation of island communities has touched an exotic and magical core in us. Darwin's fascination with the Galapagos island chain and the evolution of its plant ...
Jul 08, 2010 |
4.6 / 5 (5) |
0
New picture of ancient ocean chemistry argues for chemically layered water
A research team led by biogeochemists at the University of California, Riverside has developed a detailed and dynamic three-dimensional model of Earth's early ocean chemistry that can significantly advance ...
Space & Earth / Earth Sciences
Feb 11, 2010 |
5 / 5 (3) |
0
|
MicroRNA: A glimpse into the past
The last ancestor we shared with worms, which roamed the seas around 600 million years ago, may already have had a sophisticated brain that released hormones into the blood and was connected to various sensory organs. The ...
Feb 01, 2010 |
4.8 / 5 (4) |
0
|
Researchers of microraptor shed light on ancient origin of bird flight
A joint team from the University of Kansas and Northeastern University in China says that it has settled the long-standing question of how bird flight began.
Other Sciences / Archaeology & Fossils
Jan 25, 2010 |
4.8 / 5 (9) |
0
|
Using modern sequencing techniques to study ancient modern humans
DNA that is left in the remains of long-dead plants, animals, or humans allows a direct look into the history of evolution. So far, studies of this kind on ancestral members of our own species have been hampered by scientists' ...
Dec 31, 2009 |
5 / 5 (4) |
0
|
Brains versus brawn: Study finds there's more to the Noisy Miner than just being a backyard bully
(PhysOrg.com) -- Some consider the Noisy Miner bird a badly-behaved backyard bully - an avian aggressor that moves into the neighbourhood and quickly takes over.
Dec 08, 2009 |
4.8 / 5 (4) |
1
Research team finds first evolutionary branching for bilateral animals
When it comes to understanding a critical junction in animal evolution, some short, simple flatworms have been a real thorn in scientists' sides. Specialists have jousted over the proper taxonomic placement ...
Sep 23, 2009 |
3.8 / 5 (5) |
0
Evolution coup: Study reveals how plants protect their genes
Unlike animals and humans, plants can't run and hide when exposed to stressful environmental conditions. So how do plants survive? A new Université de Montréal study, published in the journal Proceedings of ...
Sep 10, 2009 |
5 / 5 (3) |
0
Ancient oceans offer new insight into the origins of animal life
(PhysOrg.com) -- Analysis of a rock type found only in the world's oldest oceans has shed new light on how large animals first got a foothold on the Earth.
Space & Earth / Earth Sciences
Sep 09, 2009 |
4.4 / 5 (10) |
1
Canadian scientist aims to turn chickens into dinosaurs
After years spent hunting for the buried remains of prehistoric animals, a Canadian paleontologist now plans to manipulate chicken embryos to show he can create a dinosaur.
Other Sciences / Archaeology & Fossils
Aug 25, 2009 |
4.1 / 5 (29) |
33
