(PhysOrg.com) -- Extinct human species such as Neanderthals may still be with us, at least in our DNA, and this may help explain why they disappeared from the fossil record around 30,000 years ago.

Other Sciences - Archaeology & Fossils

Apr 21, 2010 4.8 / 5 (48) 22 |

When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...

Biology - Cell & Microbiology

Oct 27, 2011 4.9 / 5 (30) 15 |

(Phys.org) —The maths underpinning Darwin's theory of natural selection could explain how the universe may be 'designed' to make black holes.

Physics - General Physics

May 06, 2013 3.8 / 5 (38) 19 |

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...

Biology - Evolution

Dec 11, 2009 4.5 / 5 (31) 40

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 ...

Biology - Evolution

Nov 10, 2009 4.7 / 5 (23) 16

A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family ...

Biology - Evolution

Sep 13, 2012 4.8 / 5 (20) 2 |

(PhysOrg.com) -- Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, ...

Biology - Evolution

Sep 04, 2009 4.6 / 5 (17) 42

(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cu ...

Biology - Evolution

Oct 04, 2011 3.5 / 5 (21) 57 |

(PhysOrg.com) -- A team of international researchers has brought the primary component of mammoth blood back to life using ancient DNA preserved in bones from Siberian specimens 25,000 to 43,000 years old.

Biology - Biotechnology

May 03, 2010 4.8 / 5 (15) 11

Dogs likely originated in the Middle East, not Asia or Europe, according to a new genetic analysis by an international team of scientists led by UCLA biologists. The research, funded by the National Science ...

Biology - Biotechnology

Mar 17, 2010 4.6 / 5 (14) 1 |

A type of fungus that's been lurking underground for millions of years, previously known to science only through its DNA, has been cultured, photographed, named and assigned a place on the tree of life.

Biology - Cell & Microbiology

Aug 11, 2011 4.8 / 5 (13) 0 |

The blind Mexican cavefish (Astyanax mexicanus) have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research publis ...

Biology - Evolution

Jan 22, 2012 4.8 / 5 (11) 47 |

A University of Rhode Island biologist who released lizards on tiny uninhabited islands in the Bahamas has shed light on the interaction between evolutionary processes that are seldom observed.

Biology - Plants & Animals

Feb 02, 2012 4.1 / 5 (13) 0 |

(Phys.org) -- The world's largest known sample of fossil humans has been classified as the species Homo heidelbergensis but in fact are early Neanderthals, according to a study by Prof Chris Stringer of the ...

Other Sciences - Archaeology & Fossils

Jun 13, 2012 4.8 / 5 (11) 0

Scientists have taken a step forward in helping to solve one of life's greatest mysteries – what makes us human?

Biology - Biotechnology

Nov 14, 2012 4.3 / 5 (12) 99 |