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Researchers developing wireless soil sensors to improve farming
Ratnesh Kumar keeps his prototype soil sensors buried in a box under his desk. He hopes that one day farmers will be burying the devices under their crops.
Does it matter if black plus white equals black or multiracial?
"Is Barack Obama Black or Biracial?" a recent CNN.com headline asks. The question of whether Obama should be considered black or multiracial has been a concern of the media throughout the campaign.
US culture derails girl math whizzes
A culture of neglect and, at some age levels, outright social ostracism, is derailing a generation of students, especially girls, deemed the very best in mathematics, according to a new study.
Warming in Yosemite National Park sends small mammals packing to higher, cooler elevations
Global warming is causing major shifts in the range of small mammals in Yosemite National Park, one of the nation's treasures that was set aside as a public trust 144 years ago, according to a new study by University of California, Berkeley, biologists.
Nobel prizewinner describes his chemistry research as ‘a 1970s disco light'
Columbia University professor Martin Chalfie called the subject of his Nobel Prize-winning research "a 1970s disco light" that traces the growth of diseases such as cancer and Alzheimer's.
Computer mouse driven by sound
Say "ahh" and the cursor zips toward the northeast corner of the computer screen. "Ooo" sends it shooting straight south. Want it to head southeast? Say "ohh." To make the cursor do a circle or figure 8, let vowel sounds bleed into one another, like eee into ahh into aww and so on. You can make it hurry or slow by regulating the volume of your voice. To open a link, make a soft clicking sound.
Breathing second life into language teaching
An international team has developed a wireless virtual reality environment that can help promote language learning and let students practice. The researchers have demonstrated their Collaborative Virtual Reality Environment with Mexican engineering students carrying out listening comprehension practice in English as a foreign language.
Microsoft backs using videogames as teaching tools
Microsoft's research arm and a set of US universities are creating a first-of-its-kind institute devoted to using videogames to teach math, science and engineering to school children.
