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Infant Carrying Ruled Out As Reason Why Early Humans Walked Upright, According To New Research
April 23, 2008 — Scientists investigating the reasons why early humans -- the so-called hominins -- began walking upright say it's unlikely that the need to carry children was a factor, as has previously been ... > full story -
What Are The Odds Of Finding Extraterrestrial Intelligent Life?
April 19, 2008 — A mathematical model suggests that the odds of finding new life on other Earth-like planets are low, given the time it has taken for beings such as humans to evolve and the remaining life span of the ... > full story -
When Genetics And Geology Meet In Patagonia
April 14, 2008 — When Charles Darwin first set foot on Patagonia, he was a fresh-faced 22-year old yet to finesse his revolutionary theory of evolution by natural selection. But traveling around the tip of South ... > full story -
The First Animal On Earth Was Significantly More Complex Than Previously Believed
April 11, 2008 — A new study mapping the evolutionary history of animals indicates that Earth's first animal -- a mysterious creature whose characteristics can only be inferred from fossils and studies of living ... > full story -
Evolution In The Classroom: 'Evolution Machine' Lets Students See It Happen
April 9, 2008 — Evolution has taken another step away from being dismissed as "a theory" in the classroom. A new article documents the automation of evolution: researchers have produced a computer-controlled system ... > full story -
Technique Traces Origins Of Disease Genes In Mixed Human Populations
April 9, 2008 — Researchers have developed a technique to detect the ancestry of disease genes in mixed human populations. The technique determines how a set of DNA markers shows the ancestral origin of locations on ... > full story -
Darwin Was Right: Natural Selection Speeds Up Speciation
April 6, 2008 — In the first experiment of its kind conducted in nature, evolutionary biologists have come up with strong evidence for one of Charles Darwin's cornerstone ideas -- adaptation to the environment ... > full story -
Is DNA Repair A Substitute For Sex?
April 4, 2008 — Birds and bees may do it, but the microscopic animals called bdelloid rotifers seem to get along just fine without sex, thank you. What's more, they have done so over millions of years of evolution, ... > full story -
Natural Selection Protected Some East Asian Populations From Alcoholism, Study Suggests
April 3, 2008 — Changes in the environment in the last few thousand years may have protected some East Asians against alcoholism. Scientists have long known that many Asians carry variants of genes that help ... > full story -
When Evolution Tends To Maximize The Diversity And Functioning Of Ecosystems
April 2, 2008 — Evolution can lead to greater biological diversity, and particularly to improvements in the functioning of ecosystems. New research shows evolution as a structuring force for ecosystems, and it open ... > full story -
Menopause Is An Adaptation To Minimize Reproductive Competition Between Females In A Family, Research Suggests
April 1, 2008 — Insight into why females of some species undergo menopause while others do not has proven elusive despite an understanding of the biological mechanisms behind the change. However, new research ... > full story -
Study Questions 'Cost Of Complexity' In Evolution
April 1, 2008 — Higher organisms do not have a "cost of complexity" -- or slowdown in the evolution of complex traits -- according to a new article in Nature. Biologists have long puzzled over the relationship ... > full story
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