New technique fills gaps in fossil record
University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.
University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.
Evolution
Sep 19, 2011
4
0
How modern-day humans dispersed on the planet and the pace of civilization-changing technologies that accompanied their migrations are enduring mysteries. Scholars believe ancient peoples on Europe and Asia moved primarily ...
Archaeology
Sep 19, 2011
2
0
The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...
Evolution
Sep 12, 2011
0
0
Social insects may not love their fellow bugs as much as once believed.
Plants & Animals
Aug 23, 2011
0
0
Jena (Germany) Modern scientists would have loved the sight of early reptiles running across the Bromacker near Tambach-Dietharz (Germany) 300 million years ago. Unfortunately this journey through time is impossible. But ...
Archaeology
Jul 27, 2011
0
0
Zoologists of the Friedrich Schiller University Jena found out how sloths move and how their locomotive system adapted to their unhurried lifestyle in the course of evolution.
Plants & Animals
Jul 19, 2011
0
0
(PhysOrg.com) -- Gray whales survived many cycles of global cooling and warming over the past few million years, likely by exploiting a more varied diet than they do today, according to a new study by University of California, ...
Plants & Animals
Jul 6, 2011
0
0
Advances in DNA 'fingerprinting' and other genetic techniques led by Adelaide researchers are making it harder for illegal loggers to get away with destroying protected rainforests.
Other
Jun 30, 2011
0
1
The coconut (the fruit of the palm Cocos nucifera) is the Swiss Army knife of the plant kingdom; in one neat package it provides a high-calorie food, potable water, fiber that can be spun into rope, and a hard shell that ...
Plants & Animals
Jun 24, 2011
0
0
(PhysOrg.com) -- Evolutionary biologist Richard Lenski occasionally thinks of his 12 original flasks of E. coli as the experiment that keeps on giving.
Evolution
Jun 20, 2011
1
0