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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 -
Fluctuating Environment May Have Driven Human Evolution
December 26, 2012 — A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers ... > full story -
Paleo-Ocean Chemistry: New Data Challenge Old Views About Evolution of Early Life
December 23, 2012 — A research team has tested a hypothesis in paleo-ocean chemistry, and proved it false. Many researchers attribute the delayed diversification and proliferation of eukaryotes to very low levels of ... > 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 -
Prehistoric Ghosts Revealing New Details: Synchrotron Helps Identify Previously Unseen Anatomy Preserved in Fossils
December 18, 2012 — Scientists have used synchrotron-based imaging techniques to identify previously unseen anatomy preserved in fossils. Their work on a 50-million-year-old lizard skin identified the presence of ... > full story -
New Way to Look at Dawn of Life: Focus Shifts from 'Hardware' to 'Software'
December 12, 2012 — One of the great mysteries of life is how it began. What physical process transformed a nonliving mix of chemicals into something as complex as a living cell? A novel approach to the question of ... > full story -
Australian Multicellular Fossils Point to Life on Land, Not at Sea, Geologist Proposes
December 12, 2012 — Ancient multicellular fossils long thought to be ancestors of early marine life are remnants of land-dwelling lichen or other microbial colonies, says a University of Oregon scientist who has been ... > 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: -
Algal Ancestor Is Key to How Deadly Pathogens Proliferate, Researchers Find
December 11, 2012 — Long ago, when life on our planet was in its infancy, a group of small single-celled algae floating in the vast prehistoric ocean swam freely by beating whip-like tails, called flagella. The ... > full story -
Mining Ancient Ores for Clues to Early Life
December 10, 2012 — An analysis of sulfide ore deposits from one of the world's richest base-metal mines confirms oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were ... > full story
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