Browse News Stories
211 to 220 of 1,265 stories
view headlines only
-
First Plants Caused Ice Ages, New Research Reveals
February 1, 2012 New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. The research reveals the effects that the first land plants had on the climate during ... > full story -
Scientists Prove Plausibility of New Pathway to Life's Chemical Building Blocks
January 31, 2012 Scientists have demonstrated an alternative pathway to life-essential sugars called the glyoxylate scenario, which may push the field of pre-life chemistry past the formose reaction ... > full story -
Ancient DNA Holds Clues to Climate Change Adaptation
January 31, 2012 Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental ... > full story -
Chimp 'X Factor': Extensive Adaptive Evolution Specifically Targeting the X Chromosome of Chimpanzees
January 30, 2012 Genetic mutations that boost an individual's adaptability have greater chances of getting through to X chromosomes -- at least in chimpanzees, according to new Danish research. An analysis of the ... > full story -
Life Beyond Earth? Underwater Caves in Bahamas Could Give Clues
January 26, 2012 Discoveries made in some underwater caves by researchers in the Bahamas could provide clues about how ocean life formed on Earth millions of years ago, and perhaps give hints of what types of marine ... > full story -
Following Genetic Footprints out of Africa: First Modern Humans Settled in Arabia
January 26, 2012 A new study, using genetic analysis to look for clues about human migration over sixty thousand years ago, suggests that the first modern humans settled in Arabia on their way from the Horn of Africa ... > full storyMore: -
Scientists Discover New Clue to Chemical Origins of Life
January 24, 2012 Organic chemists have made a significant advance towards establishing the origin of the carbohydrates (sugars) that form the building blocks of life. The researchers have re-created a process which ... > full story -
Ancient Domesticated Dog Skull Found in Siberian Cave: 33,000 Years Old
January 23, 2012 A 33,000-year-old dog skull unearthed in a Siberian mountain cave presents some of the oldest known evidence of dog domestication and indicates that modern dogs may be descended from multiple ... > full story -
New Study Sheds Light on Evolutionary Origin of Oxygen-Based Cellular Respiration
January 22, 2012 Researchers in Japan have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ... > full story -
Avalanche of Reactions at the Origin of Life
January 19, 2012 The origin of life is seen as the formation of the first biomolecules which may be subject to multiplication and further development. Until now it was unclear, which reactions could have triggered ... > full story
Search ScienceDaily
Number of stories in archives: 137,221

