News tagged with ancestors
New research indicates that DNA sequence itself influences mutation rate
Genetic variation due to DNA mutation is a driving force of adaptation and evolution, as well as a contributing factor to disease. However, the mechanisms governing DNA mutation rate are not well understood. In a report ...
May 24, 2010 |
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Family tree branches out
(PhysOrg.com) -- UNSW anthropologist Dr Darren Curnoe has identified another new early human ancestor in South Africa ? the earliest recognised species of Homo.
Other Sciences / Archaeology & Fossils
May 20, 2010 |
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New 'Tree of Life' established for one of the largest groups of bacteria
A new "tree of life" has been constructed by researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech for the gamma-proteobacteria, a large group of medically and scientifically important bacteria that ...
May 17, 2010 |
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It was brawn over beauty in human mating competition
(PhysOrg.com) -- Male physical competition, not attraction, was central in winning mates among human ancestors, according to a Penn State anthropologist.
May 13, 2010 |
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Paper wasps and honey bees share a genetic toolkit
They are both nest-building social insects, but paper wasps and honey bees organize their colonies in very different ways. In a new study, researchers report that despite their differences, these insects rely on the same ...
Apr 27, 2010 |
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Neanderthals may have interbred with humans twice
(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 |
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Creepy crawly cockroach ancestor revealed in new 3-D model
(PhysOrg.com) -- An early ancestor of the cockroach that lived around 300 million years ago is unveiled in unprecedented detail in a new three-dimensional 'virtual fossil' model, in research published today ...
Other Sciences / Archaeology & Fossils
Apr 13, 2010 |
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Tomato gene may fend banana against formidable fungus
(PhysOrg.com) -- Proteins from the fungus Cladosporium fulvum, which causes leaf blight in tomato plants, are very similar to the proteins of the fungus Mycosphaerella fijiensis, which causes the much-feared black Sigato ...
Apr 13, 2010 |
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Ritualized 'talking' in caterpillars evolved from walking (w/ Video)
(PhysOrg.com) -- Scientists have long wondered how elaborate animal communication signals evolved, and while animal communication theory holds that many evolved from non-signaling behaviors, there has been ...
Apr 13, 2010 |
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Gene studies lead to kissing cousins
To look at the tobacco budworm moth and its close cousin, you wouldn't be able to tell the fuzzy-looking, fingertip-size moths apart. But put males of each species as far as six car-lengths away from females, and even in ...
Apr 12, 2010 |
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First studies of fossil of new human ancestor take place at the European Synchrotron
Palaeoanthropologist Prof. Lee Berger of the University of the Witwatersrand, Johannesburg, South Africa, has discovered a new species of early human ancestor in one of the best-preserved skeletons of an early hominid, dated arou ...
Other Sciences / Archaeology & Fossils
Apr 12, 2010 |
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New hominid shares traits with Homo species
Two partial skeletons unearthed from a cave in South Africa belong to a previously unclassified species of hominid that is now shedding new light on the evolution of our own species, Homo sapiens, researchers say. T ...
Other Sciences / Archaeology & Fossils
Apr 08, 2010 |
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New species of early hominid found
(PhysOrg.com) -- A previously unknown species of hominid that lived in what is now South Africa around two million years ago has been found in the form of a fossilized skeleton of a child and several bones ...
Other Sciences / Archaeology & Fossils
Apr 06, 2010 |
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Amoeba Genome Shows Evolution of Complex Life
(PhysOrg.com) -- An amoeba with a split personality is giving biologists clues to the ancestry of organisms from fungi to people and insight into how complex organisms evolved.
Mar 30, 2010 |
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'Stick men' may be rendered obsolete in insect world
(PhysOrg.com) -- Male stick insects are becoming increasingly redundant, with new research showing some New Zealand female stick insects can reproduce as efficiently on their own as with a male mate.
Mar 24, 2010 |
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