The vast majority of the radioactive plutonium on the planet is man-made—roughly 500 metric tons, or enough to make 100,000 nuclear weapons by the calculations of the International Panel on Fissile Materials.
Acraga coa larva (Credit: Daniel Janzen) Yesterday, stunning photos of a semi-translucent, gelatinous caterpillar spread quickly across the Internet—probably setting a new speed record for larvae of all kinds.
Nevada's Department of Motor Vehicles (DMV) has given Google the nation's first license to test self-driving cars on public streets. The adolescent-aged Internet search giant has been working toward this goal for the past couple of years by holding test-driving demonstrations along freeways, state highways and neighborhoods both in Carson City and along the Las Vegas Strip.Google's contention has been that its autonomous auto would be safer than those driven by humans, offer more fuel-efficiency and promote economic development.
A conference on feeding the world must also feed itself. Having attended more than my share of such conferences, I can say that the norm is keynotes that rally the troops in favor of organics while said troops munch on tortilla or potato chips.
Could a Renewed Push for Access to Fossil Data Finally Topple Paleoanthropology s Culture of Secrecy?
Anthropologists examine casts of human fossils from around the world at the 2012 meeting of the American Association of Physical Anthropologists in Portland, Ore.
Particles for Peace: Iranian, Israeli, Turkish and Arab Physicists Lay Plans for a Joint Particle Accelerator
SANTA BARBARA—Physics has always been one of the most globalized of professions. Physicists think of themselves as supranational, rising above national and cultural concerns.
The Decade of the Brain stretched from 1990 to 1999.But, in reality, it never ended.The continuing celebration of all things brain extends, once more, with the unveiling of a mammoth Web site devoted to neuroscience.Brainfacts.org—funded with $1.53 million project over six years by the Gatsby and Kavli Foundations—amasses basic information from leading organizations, ranging from the National Institutes of Health to the International Brain Research Organization in France, chronicling both how the brain works as well as major brain diseases.
Divya Sirdeshpande (left), a sophomore at Hempfield High School, shows me her project using mushroom mycelia to make biodegradable packaging. As my Amtrak train rolled past the “Lancaster” sign, the window view alighted on the upright figure of an Amish farmer and his mule-team-pulled hand plow, working the verdant Pennsylvania land just as his forefathers have done here for more than two centuries.
(Credit: Ferris Jabr) PHILADELPHIA—In the summer of 2011 I began working on a feature article about a book that most people have never heard of—the Diagnostic and Statistical Manual of Mental Disorders ( DSM ), a reference guide for psychiatrists and clinicians.
Brain as Icon “Superwoman has been rumbled,” declared a Daily Telegraph article in 2001 that chronicled how the human brain’s inability to “multitask” undercuts the prospects for a woman to juggle career and family with any measure of success.
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