
Hormone That Affects Finger Length Key To Social Behavior
Research in the UK into the
finger length of primate
species has revealed that
cooperative behavior is
linked to exposure to
hormone levels in the womb. ... > full story

Bacteria Expect The Unexpected
Organisms ensure the
survival of their species by
genetically adapting to the
environment. If
environmental conditions
change too rapidly, the
extinction of a species may
... > full story

Caught In The Act: Butterfly Mate Preference Shows How One Species Can Become Two
Breaking up may not be hard
to do, say scientists who've
found a population of
tropical butterflies that
may be splitting into two
... > full story

Inconspicuous Leaf Beetles Reveal Environment's Role In Formation Of New Species
Unnoticed by the nearby
residents of St. Johnsbury,
Vt., tiny leaf beetles that
flit among the maple and
willow trees in the area
... > full story
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DNA 'Barcode' For Tropical Trees
November 6, 2009 In foods, soil samples or customs checks, plant fragments sometimes need to be quickly identified. The use of DNA "barcodes" to itemize plant biodiversity was proposed during the 1992 Rio de Janeiro ... > full story -
Domestic Horse Genome Sequenced
November 5, 2009 Scientists have decoded the genome of the domestic horse, revealing a genome structure with remarkable similarities to humans and more than one million genetic differences across a variety of horse ... > full story -
Scientists Launch Effort To Sequence The DNA Of 10,000 Vertebrates
November 5, 2009 Scientists have an ambitious new strategy for untangling the evolutionary history of humans and their biological relatives: Create a genetic menagerie made of the DNA of more than 10,000 vertebrate ... > full story -
Deciphering The Regulatory Code: Scientists Take New Approach To Predict Gene Expression
November 5, 2009 New research by European scientists is a first step towards forecasting the expression of all genes in a given organism and demonstrates that the genetic regulation that is crucial for correct ... > full story -
New Insights Into Australia's Unique Platypus
November 4, 2009 New insights into the biology of the platypus and echidna have been published, providing a collection of unique research data about the world's only ... > full story -
Inefficient Selection: New Evolutionary Mechanism Accounts For Some Of Human Biological Complexity
November 4, 2009 A painstaking genomic and proteomic analysis has found a new evolutionary mechanism that accounts for some of the biological complexity of human beings. The scientists who found the mechanism say it ... > full story -
Earliest Tyrannosauroid Rediscovered
November 4, 2009 A long forgotten fossil skull in the collections of the Natural History Museum in London has now provided crucial clues to the early stages of the lengthy evolutionary history of Tyrannosaurus rex ... > full story -
Orphan Army Ants Join Nearby Colonies
November 4, 2009 Colonies of army ants, whose long columns and marauding habits are the stuff of natural-history legend, are usually antagonistic to each other, attacking soldiers from rival colonies in border ... > full story -
New Clues To Extinct Falklands Wolf Mystery
November 3, 2009 Ever since the Falklands wolf was described by Darwin himself, the origin of this now-extinct canid found only on the Falkland Islands far off the east coast of Argentina has remained a mystery. Now, ... > full story -
Speed Limit To The Pace Of Evolution, Biologists Say
November 3, 2009 A major conclusion of the work is that for some organisms, possibly including humans, continued evolution will not translate into ever-increasing fitness. Moreover, a population may accrue mutations ... > full story
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