Space & Physics
Blast Off: Unsettled Mechanism of Supernova Detonation Gets a New Twist
Type Ia supernovae, often used to calibrate cosmological measurements, may arise from merging white dwarfs, after all
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The Sciences
Tutankhamen's Familial DNA Tells Tale of Boy Pharaoh's Disease and Incest
New insight into the fragile pharaoh's family tree shows intrafamilial marriage, and royal lives cursed by malarial infections and bodily defects
Environment
Photovoltaic Breakthroughs Brighten Outlook for Cheap Solar Power
Novel materials might make harvesting sunlight for electricity affordable
Space & Physics
Meteorite That Fell in 1969 Still Revealing Secrets of the Early Solar System
A new analysis of the Murchison meteorite, which fell to Earth more than 40 years ago, reveals tens of thousands of organic compounds
Technology
U.S. Olympic Skeleton Team Studies Sled Forces in High-Tech Simulator
Team members used test runs in a simulator created at Rensselaer Polytech to determine the best way to beat wind resistance
Evolution
Motivating Question: When an Elephant Charges, Is It Walking or Running?
Although the answer seems obvious, it took a supersize catwalk and a bank of computers to provide fresh data on elephant locomotion and the relationship between body size and energy expenditure...
Environment
Sea Caves Reveal Rapid Rise in Ancient Ocean Levels
Sea levels can rise and fall fast, even during an ice age, according to new research
The Sciences
Ultracold Reactions Probe the Frontiers of Quantum Chemistry
Less than a millionth of a degree kelvin above absolute zero, chemical reactions can still proceed rapidly
Biology
Study Confirms Link between Older Maternal Age and Autism
Maternal age and autism are both on the rise--but only a small fraction of the increasing incidence can be explained by the trend toward later childbearing
Health
Cell-Off: Induced Pluripotent Stem Cells Fall Short of Potential Found in Embryonic Version
It was hoped using reprogrammed mature cells would be a noncontroversial alternative to embryo-derived stem cells. But problems like low replication rates and early senescence have impeded their efficacy in generating differentiated cells...
Environment
How to Reform the Intergovernmental Panel on Climate Change
Recent scandals have undermined the credibility of the international scientific body, yet the scientific evidence for climate change remains as strong as ever
Biology
Long-Locked Genome of Ancient Man Sequenced
Preserved in hair and bone samples for 4,000 years, the DNA of an early Greenlander reveals new clues about everything from skin color to migration patterns
Space & Physics
Star Mills: Ancient Galaxies Packed More Raw Material for Stellar Formation
The rapid formation of stars billions of years ago compared with the present day appears to have resulted from larger gas reservoirs rather than from a more efficient formation process
The Sciences
NASA Readies a Satellite to Probe the Sun--Inside and Out
The Solar Dynamics Observatory will provide heliophysicists with a flood of data about the sun
Mind & Brain
What Happens in the Amygdala... Damage to Brain's Decision-Making Area May Encourage Dicey Gambles
Individuals with amygdala damage are more likely to lay a risky bet
Environment
City Dwellers Drive Deforestation in 21st Century
Satellite data reveals that demand from urban areas may be the primary driver of the loss of trees--a shift from the patterns of the past
Health
Researchers Identify Genetic Variant Linked to Faster Biological Aging
Individuals carrying the variant had shorter telomeres, stretches of DNA at the ends of chromosomes that protect them from daily wear--and also aging
Technology
CERN Gears Up Its Computers for More Atom Smashing
When the Large Hadron Collider goes back online in a few weeks, CERN's IT systems will have to be flexible in order to process the spate of information
The Sciences
Street Smarts: The BioBus Brings a Rolling Science Lab to Resource-Strapped Schools
The Cell Motion BioBus, a high-tech, carbon-neutral laboratory housed in a retrofitted transit bus brings science education to deprived schools, and the hands-on excitement of the lab to students...
Space & Physics
Endeavour Set for Sunday Liftoff as Space Shuttle Program Winds Down
With just five scheduled launches remaining, the space shuttle program and the construction of the International Space Station are wrapping up apace
