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'Evolution Will Punish You If You're Selfish and Mean'
Evolutionary biologists
offer new evidence that
evolution doesn't favor the
selfish, disproving a theory
popularized in 2012. ... > full story
How Did Earth's Primitive Chemistry Get Kick Started?
How did life on Earth get
started? Three new papers
strengthen the case that
Earth's first life began at
alkaline hydrothermal vents
at the bottom of oceans.
... > full story
Evolution of Monogamy in Humans the Result of Infanticide Risk, New Study Suggests
The threat of infants being
killed by unrelated males is
the key driver of monogamy
in humans and other
primates, a new study
... > full story
Fossil Shows Fish Had Sucker on Its Back
A 30-million year-old fossil
has revealed how remoras --
also called sharksuckers --
evolved the sucker that
enables them to stick to
other fishes and 'hitch a
ride'. ... > full story
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Evolution of Diverse Sex-Determining Mechanisms in Mammals
July 29, 2013 — Researchers have found that a genetic process among the many species of rodents could have significant implications regarding our assumptions about sex determination and the pace of ... > full story -
An Evolutionary Compromise for Long Tooth Preservation
July 24, 2013 — Researchers have conducted stress analyses on gorilla teeth of differing wear stages. Their findings show that different features of the occlusal surface antagonize tensile stresses in the tooth to ... > full story -
Evolution Picks Up Hitchhikers: Pervasive Genetic Hitchhiking and Clonal Interference in Evolving Yeast Populations
July 22, 2013 — In a twist on "survival of the fittest," researchers have discovered that evolution is driven not by a single beneficial mutation but rather by a group of mutations, including ones called "genetic ... > full story -
Common Stem Cell in Heart and Lung Development Explains Adaption for Life on Land
July 21, 2013 — Biologists have known that the co-development of the cardiovascular and pulmonary systems is a recent evolutionary adaption to life outside of water. Researchers show that the pulmonary vasculature ... > full story -
Lizards Show Evolution Is Predictable
July 19, 2013 — If you could hit the reset button on evolution and start over, would essentially the same species appear? Yes, according to a study of Caribbean ... > full story -
Microbes Can Influence Evolution of Their Hosts
July 18, 2013 — Contrary to current scientific understanding, it appears that our microbial companions play an important role in their hosts' evolution. A new study provides the first direct evidence that these ... > full story -
Family Tree of Fish Yields Surprises
July 17, 2013 — The mighty tuna is more closely related to the dainty seahorse than to a marlin or sailfish. That is one of the surprises from the first comprehensive family tree, or phylogeny, of the "spiny-rayed ... > full story -
Great Exaptations: Most Traits Emerge for No Crucial Reason, Scientists Find
July 15, 2013 — By simulating changes in an organism's metabolism, scientists have now shown that most traits may emerge as non-crucial "exaptations" rather than as selection-advantageous ... > full story -
New Theory Uncovers Cancer's Deep Evolutionary Roots
July 12, 2013 — A new way to look at cancer -- by tracing its deep evolutionary roots to the dawn of multicellularity more than a billion years ago -- has been proposed. If their theory is correct, it promises to ... > full story -
Insect Discovery Sheds Light on Climate Change
July 11, 2013 — Biologists have discovered a new, extinct family of insects that will help scientists better understand how some animals responded to global climate change and the evolution of ... > full story
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