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First Migration from Africa Less Than 95,000 Years Ago: Ancient Hunter-Gatherer DNA Challenges Theory of Early out-of-Africa Migrations
March 22, 2013 — Recent measurements of the rate at which children show DNA changes not seen in their parents -- the "mutation rate" -- have challenged views about major dates in human evolution. In particular these ... > full story -
Fossil Bird Study on Extinction Patterns Could Help Today's Conservation Efforts
March 21, 2013 — A new study of nearly 5,000 Haiti bird fossils shows contrary to a commonly held theory, human arrival 6,000 years ago didn't cause the island's birds to die simultaneously. Although many birds ... > full story -
Enzymes Allow DNA to Swap Information With Exotic Molecules
March 21, 2013 — Scientists have been hunting for a biological Rosetta Stone -- an enzyme allowing DNA's four-letter language to be written into a simpler (and potentially more ancient) molecule that may have existed ... > full story -
Megavolcanoes Tied to Pre-Dinosaur Mass Extinction: Apparent Sudden Climate Shift Could Have Analog Today
March 21, 2013 — Scientists examining evidence across the world say they have linked the abrupt disappearance of half of earth's species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. ... > full storyMore: -
Why Red Algae Never Colonized Dry Land
March 20, 2013 — The first red alga genome has just been sequenced. The genome of Chondrus crispus, also known by the Breton name 'pioka', turns out to be small and compact for a multicellular organism. It has fewer ... > full story -
Neanderthal Brains Focused on Vision and Movement Leaving Less Room for Social Networking
March 19, 2013 — Neanderthal brains were adapted to allow them to see better and maintain larger bodies, according to new research. Although Neanderthals' brains were similar in size to their contemporary modern ... > full story -
Adoption and Risk Management in Fish: How Cichlids Prevent Their Young from Being Eaten
March 19, 2013 — For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise ... > full story -
Skulls of Early Humans Carry Telltale Signs of Inbreeding
March 18, 2013 — Buried for 100,000 years at Xujiayao in the Nihewan Basin of northern China, the recovered skull pieces of an early human exhibit a now-rare congenital deformation that indicates inbreeding might ... > full story -
Antarctica's First Whale Skeleton Found With Nine New Deep-Sea Species
March 18, 2013 — Marine biologists have, for the first time, found a whale skeleton on the ocean floor near Antarctica, giving new insights into life in the sea depths. The discovery was made almost a mile below the ... > full story -
It's in the Cards: Human Evolution Influences Gamblers' Decisions
March 18, 2013 — New research suggests evolution, or basic survival techniques adapted by early humans, influences the decisions gamblers make when placing bets. The findings may help to explain why some treatment ... > full story
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