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The When and Where of the Y: Research on Y Chromosomes Uncovers New Clues About Human Ancestry
Using advanced analysis of
DNA from Y chromosomes from
men all over the world,
scientists have shed new
light on the mystery of when
... > full story
'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
Dawn of Carnivores Explains Animal Boom in Distant Past
Scientists have linked
increasing oxygen levels and
the rise and evolution of
carnivores (meat eaters) as
the force behind a broad
explosion of animal species
... > 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
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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 -
Natural Affinities -- Unrecognized Until Now -- May Have Set Stage for Life to Ignite
July 29, 2013 — The chemical components crucial to the start of life on Earth may have primed and protected each other in never-before-realized ways, according to new research. It could mean a simpler scenario for ... > full story -
Ancient Technology for Metal Coatings 2,000 Years Ago Can't Be Matched Even Today
July 24, 2013 — Artists and craftsmen more than 2,000 years ago developed thin-film coating technology unrivaled even by today's standards for producing DVDs, solar cells, electronic devices and other products. ... > full story -
Greening of the Earth Pushed Way Back in Time
July 22, 2013 — Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, but a new study is pointing to evidence for life on land that is four times ... > 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 -
Tuberculosis Genomes Recovered from 200-Year-Old Hungarian Mummy
July 19, 2013 — Researchers have recovered tuberculosis (TB) genomes from the lung tissue of a 215-year old mummy using a technique known as ... > 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 -
Boldly Illuminating Biology's 'Dark Matter'
July 14, 2013 — Microbial dark matter comprises the invisible infrastructure of life that can have profound influences on the most significant environmental processes. By employing next generation DNA sequencing of ... > full story
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