A new and comprehensive analysis confirms that the evolutionary relationships among animals are not as simple as previously thought. The traditional idea that animal evolution has followed a trajectory from simple to complex—from ...
Jan 27, 2009
1
1
The ancestor of all creatures with jaws and a backbone was not a sleek, shark-like beast but a toothless, armoured fish, said a study Wednesday that rewrites Man's evolutionary history.
Archaeology
Sep 25, 2013
0
0
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' ...
Evolution
Dec 31, 2009
0
6
Green and vervet monkeys live on either side of Africa and their evolutionary paths diverged 3.5 million years ago, and yet the two species share a hard-wired vocabulary when faced with danger, clever experiments have shown.
Evolution
May 27, 2019
2
685
Evidence for life on Earth stretches back billions of years, with simple single-celled organisms like bacteria dominating the record. When multi-celled animal life appeared on the planet after 3 billion years of single cell ...
Archaeology
Jul 27, 2009
3
0
Planning and self control in animals do not require human-like mental capacities, according to a study from Stockholm University. Newly developed learning models, similar to models within artificial intelligence research, ...
Plants & Animals
Nov 28, 2018
5
200
A researcher at The University of Alabama was part of a new study that provides further evidence in support of a controversial hypothesis that a group of marine animals commonly called comb jellies were the first to break ...
Evolution
Oct 12, 2017
0
48
A new study by an international team of researchers, led by scientists from the University of Bristol, has revealed the origins and evolution of animal body plans.
Earth Sciences
Sep 3, 2018
0
273
Tyrannosaurus rex, renowned for being one of the most fearsome creatures to have ever lived, evolved a bite that was less impressive in relation to its body size than a tiny Galapagos ground finch, scientists say.
Plants & Animals
Jan 9, 2019
0
164
(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Plants & Animals
Sep 13, 2011
8
0
