Paleoanthropology is a discipline known as much for its feuds as for its findings. Among the best known of these clashes is a longstanding one between two of the field's most famous scientists, Donald Johanson and Richard Leakey...
The humble vibrato of summer will crescendo a bit earlier this year in the U.S. South. Billions of cyclical cicadas will be out in full force starting this May, following a 13-year lull...
CAMBRIDGE, Mass.—The last symposium in M.I.T.'s 150-day celebration of its 150th anniversary (who ever said that geeks don't like ritual?) is devoted to the question: "Whatever happened to AI?"Of course, that is a particularly appropriate self-introspection for M.I.T...
This past December, Jim Weatherall and I wrote "A Geometric Theory of Everything" for Scientific American , describing progress on unified geometric theories of gravitation and the Standard Model of particle physics...
A robot must protect its own existence.
This mid-20th-century dictate to the robotic clade from science fiction author and biochemist Isaac Asimov seems cleanly in step with Darwinian theory and the biological world of survival of the fittest...
Could plastic bottles and metal food-can liners be contributing to the American asthma epidemic? A study presented at the Pediatric Academic Societies meeting this past weekend suggests so, finding that pregnant women exposed to bisphenol A (BPA)—a chemical building block of plastics from polycarbonate to polyester—gave birth to children with a higher risk of respiratory problems...
Obesity and dementia have a well-established connection in the medical literature. But a new study shows that just being overweight—with a BMI of 25 or above—in middle age might also significantly increase the odds that a person develops dementia later in life...
They could have used grappling hooks and longbows.The hunting down of global enemy number one came about through the type of detective work and on-the-ground stealth military activity that might have been considered ingenious, oh, among 15th-century ninja warriors or the ancient Sumerians...
You don't need an advanced degree in physics or biology to participate in scientific research, just a curiosity about the world around you and an interest in observing, measuring and reporting what you hear and see...
As a kid, I often spent an afternoon after a big rain storm with my brothers tromping down to a local drainage stream to see what the water had washed in.
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