(PhysOrg.com) -- In general, population extinction is a natural process. For one reason or another, an estimated 99.9% of all species that have lived on Earth are now extinct. However, the reasons for a species ...
Jan 13, 2009
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Just as humans can follow complex social situations in deciding who to befriend or to abandon, it turns out that animals use the same level of sophistication in judging social configurations, according to ...
Apr 22, 2013
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When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...
Apr 18, 2012
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When the woods get crowded, female squirrels improve their offspring's odds of survival by ramping up how fast their offspring grow.
Apr 18, 2013
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(Phys.org)—Viruses are well known for making people sick, but a new study provides evidence for the first time of viral infections in tiny marine crustaceans called copepods.
Jan 16, 2013
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Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now, a ...
Jan 17, 2013
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Scientists are reporting development of chemical modules that can reproduce, on an "unprecedented" molecular level, changes and interactions that occur in natural populations of plants and animals, including ...
Jan 09, 2013
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(PhysOrg.com) -- Studies of climate evolution and the ecology of past-times are often hampered by lost information - lost variables needed to complete the picture have been long thought untraceable but scientists ...
May 27, 2009
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Groundbreaking research from the RIKEN Center for Developmental Biology (CDB) shows how mouse stem cells spontaneously form into optic cups, the precursors of eyes. A report on this research, published this week in Nature, sheds ...
Apr 06, 2011
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A new study led by a University of Florida researcher uses tracking data of three shark species to provide the first evidence some of the fish swim directly to targeted locations.
Mar 09, 2011
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(PhysOrg.com) -- They got married, had children, made beer. Although they lived 3,500 years ago in Nippur, Babylonia, in many ways they seem like us. Whether they were also slaves is a hotly contested question ...
Jan 06, 2012
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Massive burning of forests for agriculture thousands of years ago may have increased atmospheric carbon dioxide enough to alter global climate and usher in a warming trend that continues today, according to a new study that ...
Aug 17, 2009
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(Phys.org)—Our understanding of the population dynamics, longevity and reproductive habits of the seahorse species Hippocampus whitei (White's Seahorse) has been significantly expanded thanks to newly ...
Sep 07, 2012
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Understanding the spread of infectious diseases in populations is the key to controlling them. If we were facing a flu pandemic, how could we measure where the greatest spreading risk comes from? This information ...
Feb 21, 2012
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