Browse News Stories
61 to 70 of 1,238 stories
view headlines only
-
Retrovirus in the Human Genome Is Active in Pluripotent Stem Cells
January 23, 2013 A retrovirus called HERV-H, which inserted itself into the human genome millions of years ago, may play an important role in pluripotent stem cells. The discovery, which may help explain how these ... > full story -
A Relative from the Tianyuan Cave: Humans Living 40,000 Years Ago Likely Related to Many Present-Day Asians and Native Americans
January 21, 2013 Ancient DNA has revealed that humans living some 40,000 years ago in the area near Beijing were likely related to many present-day Asians and Native ... > full story -
A Snapshot of Pupfish Evolution
January 10, 2013 One biologist has bred more than 3,000 hybrid fish in his time as a graduate student in evolution and ecology, a pursuit that has helped him create one of the most comprehensive snapshots of natural ... > full story -
A History Lesson from Genes: Using DNA to Tell Us How Populations Change
January 9, 2013 Researchers have developed a software model that can infer population history from modern ... > full story -
First Fossil Bird With Teeth Specialized for Tough Diet
January 7, 2013 Beak shape variation in Darwin's finches is a classic example of evolutionary adaptation, with beaks that vary widely in proportions and shape, reflecting a diversity of ecologies. While living birds ... > full story -
Major Source of Evolutionary Differences Among Species Uncovered
December 20, 2012 Researchers have uncovered a genetic basis for fundamental differences between humans and other vertebrates that could also help explain why humans are susceptible to diseases not found in other ... > full story -
Origin of Life: Hypothesis Traces First Protocells Back to Emergence of Cell Membrane Bioenergetics
December 20, 2012 A coherent pathway -- which starts from no more than rocks, water and carbon dioxide and leads to the emergence of the strange bio-energetic properties of living cells -- has been traced for the ... > full story -
Fine Hands, Fists of Fury: Our Hands Evolved for Punching, Not Just Dexterity
December 19, 2012 Men whacked punching bags for a new study that suggests human hands evolved not only for the manual dexterity needed to use tools, play a violin or paint a work of art, but so men could make fists ... > full storyMore: -
Tracking the Origins of HIV
December 18, 2012 Human immunodeficiency virus may have affected humans for much longer than is currently believed. Researchers now think that the genomes of an isolated West African human population provide important ... > full story -
Resurrection of Extinct Enzymes Reveals Evolutionary Strategy for the Invention of New Functions
December 11, 2012 How does evolution innovate? By reconstructing DNA and proteins from prehistoric yeast cells, scientists have been able to directly examine the evolutionary forces that have acted over the last 100 ... > full storyMore:
Search ScienceDaily
Number of stories in archives: 138,557

