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What a Bunch of Dodos! Catastrophic Mass Extinction of Birds in Pacific Islands Followed Arrival of First People
March 25, 2013 — The demise of the dodo is one of the better known bird extinctions in the world, but its sad fate was anticipated a thousand times over by its Pacific ... > full storyMore: -
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: -
Stone Ships Show Signs of Maritime Network in Baltic Sea Region 3,000 Years Ago
March 21, 2013 — In the middle of the Bronze Age, around 1000 BC, the amount of metal objects increased dramatically in the Baltic Sea region. Around the same time, a new type of stone monument, arranged in the form ... > full story -
Roman Mausoleum Tested for Ancient Earthquake Damage
March 20, 2013 — A Roman mausoleum was knocked off-kilter, and the likely cause was an earthquake, according to a new detailed ... > full story -
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
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