Browse News Stories
85 to 96 of 692 stories
view headlines only
-
Scientists Reshape Y Chromosome Haplogroup Tree Gaining New Insights Into Human Ancestry
April 3, 2008 The Y chromosome retains a remarkable record of human ancestry, passed directly from father to son. In an article in Genome Research, scientists have utilized recently described genetic variations on ... > full story -
Pre-Clovis Human DNA Found In 14,300-year-old Feces In Oregon Cave Is Oldest In New World
April 3, 2008 DNA from dried human excrement recovered from Oregon's Paisley Caves is the oldest found yet in the New World -- dating to 14,300 years ago, some 1,200 years before Clovis culture -- and provides ... > 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 -
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 -
Oldest Known Gold Artifacts In The Americas Discovered
April 1, 2008 Gold has long been more than a fashion statement, and wearing jewelry and other adornments made of it often connotes prestige. And it did not take long for ancient people to figure that out. ... > full story -
Floating A Big Idea: Ancient Use Of Rafts To Transport Goods Demonstrated
March 22, 2008 Oceangoing sailing rafts plied the waters of the equatorial Pacific long before Europeans arrived in the Americas, and carried trade goods for thousands of miles all the way from modern-day Chile to ... > full story -
Upright Walking Began 6 Million Years Ago, Thigh Bone Comparison Suggests
March 21, 2008 A shape comparison of the most complete fossil femur (thigh bone) of one of the earliest known pre-humans, or hominins, with the femora of living apes, modern humans and other fossils, indicates the ... > full story -
Forecasting Tsunami Threats Through Layers Of Sand And Time
March 21, 2008 Azhii peralai: from the deep ... large waves. This is the expression for 'tsunami' in Tamil, the oldest language in southern India. For an ancient dialect to have its own phrase for destructive waves ... > full story -
Early Americans Arrived Thousands of Years Earlier Than Previously Believed
March 21, 2008 Anthropologists provide evidence that the first Americans came to this country 1,000 to 2,000 years earlier than the 13,500 years ago previously thought, which could shift historic ... > full story -
Skulls Of Modern Humans And Ancient Neanderthals Evolved Differently Because Of Chance, Not Natural Selection
March 20, 2008 New research adds to the evidence that chance, rather than natural selection, best explains why the skulls of modern humans and ancient Neanderthals evolved differently. The findings may alter how ... > full story -
Gold Scroll Discovered: Earliest Evidence Of Jewish Inhabitants In Austria
March 18, 2008 Archaeologists have found an amulet inscribed with a Jewish prayer in a Roman child's grave dating back to the 3rd century CE at a burial ground in the Austrian town of Halbturn. The ... > full story -
Domestication Of The Donkey May Have Taken A Long Time
March 13, 2008 Researchers have found evidence for the earliest transport use of the donkey and the early phases of donkey domestication, suggesting the process of domestication may have been slower and less linear ... > full story
Search ScienceDaily
Number of stories in archives: 59,024

