Scientists have known for almost five years now that the moon is watery–or at least that lots of water molecules are trapped in its crust and its permanently dark, frozen craters. The prevailing theory is that this water comes from molecules in the solar system. But maybe the moon has had water all along, according…
Are people exposed to doses of bisphenol A in their canned foods and other consumer products that can harm them? Or are the amounts too low to cause any harm? This is the crux of a vehement debate that is being waged as federal officials are trying to decide whether the chemical, known as BPA,…
Languages are like species. They evolve in mostly predictable ways, splitting into new species or dying out over time. Now, a group of linguists and computer scientists in the US and Canada have created a piece of software that can analyze enormous groups of languages to reconstruct what the earliest human languages might have sounded…
“Why hyperdecant?” Myhrvold asked the audience in a plenary lecture here on Saturday at the annual meeting of AAAS (which publishes ScienceNOW). “To improve the flavor of a young red wine, it’s faster than letting wine breathe unaided,” because the mechanical agitating provides more surface area to aerate the wine more rapidly. “But the real…
The Obama administration is planning a decade-long scientific effort to examine the workings of the human brain and build a comprehensive map of its activity, seeking to do for the brain what the Human Genome Project did for genetics. The project, which the administration has been looking to unveil as early as March, will include…
The idea that a cosmic impact ended the age of dinosaurs in what is now Mexico now has fresh new support, researchers say. The most recent and most familiar mass extinction is the one that finished the reign of the dinosaurs — the end-Cretaceous or Cretaceous-Tertiary extinction event, often known as K-T. The only survivors…
In 1999, while sitting at a bus stop in Cuernavaca, Mexico, a Czech physicist named Petr Šeba noticed young men handing slips of paper to the bus drivers in exchange for cash. It wasn’t organized crime, he learned, but another shadow trade: Each driver paid a “spy” to record when the bus ahead of his…
An automated supernova hunt is shedding new light on the death sequence of massive stars — specifically, the kind that self-destruct in Type IIn supernova explosions. Digging through the Palomar Transient Factory (PTF) data archive housed at the Department of Energy’s National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory (Berkeley Lab),…
With the discovery of the Higgs boson or something very like it under its belt, the world’s most powerful particle collider is ready to take a well-earned rest. The Large Hadron Collider (LHC) will shut down on 11 February ahead of around two years of upgrade work. The break, known as LS1 for ‘long stop…
Scientists have unearthed a jawbone from an ancient human ancestor in a cave in Serbia. The jawbone, which may have come from an ancient Homo erectus or a primitive-looking Neanderthal precursor, is more than 397,000 years old, and possibly more than 525,000 years old. The fossil, described today (Feb. 6) in the journal PLOS ONE,…