| MIND Reviews: Finding Our Tongues , by Dean Falk Finding Our Tongues: Mothers, Infants and the Origins of Language by Dean Falk. Basic Books, 2009 [More] rss.sciam.com |
"Albedo Yachts" and Marine Clouds: A Cure for Climate Change? Here's an idea to cool Earth: make marine clouds into better reflectors of sunlight. After all, clouds already reflect more of the sun's radiation back into space than the amount trapped by human emissions of carbon dioxide. So why not make them even more effective? [More] rss.sciam.com |
The Nuclear Doomsday Clock Still Ticks Early last October the Nobel Prize committee announced that it was awarding Barack Obama the Peace Prize for his “vision of and work for a world without nuclear weapons.” At the same time, in counterpoint to that news, it was reported that the director of India’s 1998 nuclear testing program had called for new tests. That move provoked fears of escalation, in case it motivated Pakistan and China to recommence testing and made it even harder for the U.S. to ratify the Comprehensive Nuclear Test Ban Treaty (CTBT). Although some 150 countries have ratified the treaty, neither the U.S., China nor India has yet done so.The chair of India’s Atomic Energy Commission has stated that his nation does not need to carry out any more tests; one can only hope that India’s policy makers agree and that by the time this essay appears, the world will not yet have taken one more step toward the brink. [More] rss.sciam.com |
Playgrounds for Skiers and Snowboarders Loon Mountain in central New Hampshire has managed to serve snowboarders and skiiers by designing terrain parks snow playgrounds with jumps, ramps and other tricked-up features. nytimes.com |
Good Riddance: Human Creations the World Would Be Better Off Without (preview) Daylight Savings Time The extra hour of sunshine comes at a steep price [More] Daylight saving time - United States - Business - Standard time - Clock rss.sciam.com |