Browse News Stories
71 to 80 of 1,094 stories
view headlines only
-
Scientists 'Surprised' to Discover Very Early Ancestors Survived on Tropical Plants, New Study Suggests
December 14, 2012 Between three million and 3.5 million years ago, the diet of our very early ancestors in central Africa is likely to have consisted mainly of tropical grasses and sedges, new research ... > full story -
Tracing Humanity's African Ancestry May Mean Rewriting 'out of Africa' Dates
December 13, 2012 New research may lead to a rethinking of how, when and from where our ancestors left Africa. Explorations in the Iringa region of southern Tanzania yielded fossils and other evidence that records the ... > full story -
Too Many Antibiotics? Bacterial Ecology That Lives on Humans Has Changed in Last 100 Years
December 13, 2012 A new study has demonstrated that ancient DNA can be used to understand ancient human microbiomes. The microbiomes from ancient people have broad reaching implications for understanding recent ... > full story -
Your Christmas Tree and Its Genome Have Remained Very Much the Same Over the Last 100 Million Years
December 13, 2012 Biologist have shown that the genome of conifers such as spruce, pine, and fir has remained very much the same for over 100 million years. This remarkable genomic stability explains the resemblance ... > full story -
My Microbes: New Genetic Fingerprint Lives in Your Gut
December 5, 2012 Our bodies contain far more microbial genes than human genes. And a new study suggests that just as human DNA varies from person to person, so too does the massive collection of microbial DNA in the ... > full story -
Africa's Homo Sapiens Were the First Techies
December 5, 2012 The search for the origin of modern human behavior and technological advancement among our ancestors in southern Africa some 70,000 years ago has taken a step closer to firmly establishing Africa, ... > full story -
National Geographic Unveils New Phase of Genographic Project
December 5, 2012 The National Geographic Society has announced the next phase of its Genographic Project -- the multiyear global research initiative that uses DNA to map the history of human migration. Building on ... > full story -
Native Americans and Northern Europeans More Closely Related Than Previously Thought
November 30, 2012 Using genetic analyses, scientists have discovered that Northern European populations descend from a mixture of two very different ancestral populations, and one of these populations is related to ... > full story -
How Infidelity Helps Nieces and Nephews: Men May Share More Genes With Sisters' Kids Than Cheating Wife's Kids
November 27, 2012 A new study produced new mathematical support for a theory that explains why men in some cultures often feed and care for their sisters’ children: where extramarital sex is common and accepted, ... > full story -
'Pac-Man' Moons: Cassini Finds a Video Gamers' Paradise at Saturn
November 26, 2012 You could call it "Pac-Man, the Sequel." Scientists with NASA's Cassini mission have spotted a second feature shaped like the 1980s video game icon in the Saturn system, this time on the moon Tethys. ... > full story
Search ScienceDaily
Number of stories in archives: 137,221

