(Phys.org)—Climate change causes extinctions not only as a result of species intolerance to high temperature, but more commonly via a variety of related factors that alter a species' interactions with other species, according ...
Ecology
Oct 17, 2012
3
0
It takes at least 10 times as many generations for a mouse to reach elephantine proportions as for the reverse transition, reveals a vast study of mammalian evolution over the past 70 million years.
Evolution
Oct 3, 2012
2
0
Ancient pollen and charcoal preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt's Old Kingdom, ...
Earth Sciences
Aug 16, 2012
5
1
(AP) -- Richard Leakey predicts skepticism over evolution will soon be history. Not that the avowed atheist has any doubts himself.
Evolution
May 26, 2012
133
0
Magnetometers built by scientists and engineers at NASA Goddard Space Flight Center in Greenbelt, Md. for NASA's Mars Atmosphere And Volatile EvolutioN (MAVEN) mission have been delivered to the University of California at ...
Space Exploration
May 21, 2012
0
0
(Phys.org) -- As human ancestors rose on two feet in Africa and began their migrations across the world, the climate around them got warmer, and colder, wetter and drier. The plants and animals they competed with and relied ...
Archaeology
Apr 24, 2012
17
0
(Phys.org) -- Warmer water temperatures can greatly increase the reproductive capacity of the widely distributed pest fish species gambusia, or mosquito fish, a new study has found.
Ecology
Apr 10, 2012
0
0
US conservative Christians and science advocates are clashing again, this time in Tennessee over a bill that would allow debate in public schools over theories like evolution.
Other
Apr 9, 2012
185
0
Scientists studying 1,600-year-old cotton from the banks of the Nile have found what they believe is the first evidence that punctuated evolution has occurred in a major crop group within the relatively short history of plant ...
Evolution
Apr 2, 2012
0
0
Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Ecology
Mar 2, 2012
0
0
