(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According to Claude ...
Evolution
Apr 10, 2011
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New molecular evidence reveals a new species of grey wolf living in Africa. Formerly confused with golden jackals, and thought to be an Egyptian subspecies of jackal, the new African wolf shows that members of the grey wolf ...
Plants & Animals
Jan 26, 2011
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(PhysOrg.com) -- The so-called "Moa's Ark" theory - that New Zealand's animal and plant life has evolved largely untouched over 80 million years since the Gondwana supercontinent broke up - is being challenged by new molecular ...
Evolution
May 4, 2010
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Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been routinely underestimating ...
Evolution
Nov 10, 2009
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Italian scientists suggest that we need a much more detailed toxicological approach to hazard assessment before judgement regarding the long-term safety of carbon nanotubes can be made. They outline their results in the International ...
Bio & Medicine
Sep 18, 2009
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For years, genes have been considered the one and only way biological traits could be passed down through generations of organisms. Not anymore.
Cell & Microbiology
May 18, 2009
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(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancestors) is how ...
The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell ...
Jan 8, 2009
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