(PhysOrg.com) -- Scientists trying to understand how the brains of animals evolve have found that evolutionary changes in brain structure reflect the types of social interactions and environmental stimuli different species ...
Plants & Animals
Jun 23, 2009
0
0
For the past 2 million years, the size of the human brain has tripled, growing much faster than other mammals. Examining the reasons for human brain expansion, University of Missouri researchers studied three common hypotheses ...
Evolution
Jun 22, 2009
5
0
New research from two evolutionary biologists questions the recent finding that sociality has played a key role in the evolution of larger brain size among several orders of mammals (Social Brain Hypothesis). Their sweeping ...
Evolution
May 25, 2009
0
0
Stereotypes often paint a partial or false picture of an individual or group.
Social Sciences
Apr 30, 2009
1
0
(PhysOrg.com) -- University of Notre Dame biologist Sunny Boyd's research is a little like "Match.com" for amphibians. Say you're a female tree frog looking for a mate--how do you choose among a number of potential suitors?
Plants & Animals
Mar 24, 2009
1
0
(PhysOrg.com) -- Colonies of social insects such as ants and bees could collectively make decisions using mechanisms similar to those used in primate brains, according to new research from the University of Bristol.
Feb 25, 2009
3
0
