Comment Re:How soon... (Score 1) 238
...as soon as x-ray photons move into the visible spectrum.
Oh wait, they have those!
Oh wait, they have those!
Submission + - Powerful Sonar Causes Deafness in Dolphins 1
Hugh Pickens writes: "Mass strandings could be caused because dolphins are rendered temporarily deaf by military sonar, experiments have shown. Tests on a captive dolphin have demonstrated that hearing can be lost for up to 40 minutes on exposure to sonar and may explain several strandings of dolphins and whales in the past decade. Most strandings are still thought to be natural events, but the tests strengthen fears that exercises by naval vessels equipped with sonar are responsible for at least some of them. For example, in the Bahamas in March 2000, 16 Cuvier's beaked whales and Blainville's beaked whales and a spotted dolphin beached during a US navy exercise in which sonar was used intensively for 16 hours (pdf). "The big question is what causes them to strand," says Dr. Aran Mooney, of the University of Hawaii. "What we are looking at are animals whose primary sense is hearing, like ours is seeing. Their ears are the most sensitive organ they have." In the experiment scientists fitted a harmless suction cup to the dolphin's head, with a sensor attached that monitored the animal's brainwaves and when the pings reached 203 decibels and were repeated, the neurological data showed the mammal had become deaf, for its brain no longer responded to sound. "We definitely showed that there are physiological and some behavioral effects [from repeated, loud sonar], but to extrapolate that into the wild, we don't really know," said Mooney."
Submission + - Chimpanzees exchange meat for sex (bbc.co.uk)
the_therapist writes: "A team from the Max Planck Institute for Evolutionary Anthropology in Germany, studied chimps in the Tai Forest reserve in Ivory Coast and discovered that chimpanzees enter into "deals" whereby they exchange meat for sex.
Among the findings are that "male chimps that are willing to share the proceeds of their hunting expeditions mate twice as often as their more selfish counterparts". They also found this to be "a long-term exchange, so males continue to share their catch with females when they are not fertile, copulating with them when they are"."
Among the findings are that "male chimps that are willing to share the proceeds of their hunting expeditions mate twice as often as their more selfish counterparts". They also found this to be "a long-term exchange, so males continue to share their catch with females when they are not fertile, copulating with them when they are"."
Submission + - SPAM: Largest high-tech tornado chase ever set to spin
coondoggie writes: "Next month, with the help of a variety of high-tech gear, researchers will begin a wide-ranging project to better understand the origin, structure and evolution of tornadoes with the ultimate goal of being able to better predict when the destructive storms will happen and get people out of harms way faster.
The National Science Foundation has given $9.1 million to the project known as Verification Of Rotation in Tornadoes EXperiment 2, or more simply, VORTEX2, which will take place from May 10-June 13. Researchers say Vortex2 is the largest attempt in history to study tornadoes, and will involve more than 50 scientists and 40 research vehicles, including 10 mobile radars covering 900 square miles of ground in southern South Dakota, western Iowa, eastern Colorado, Nebraska, Kansas, the Texas panhandle and western Oklahoma.
[spam URL stripped]"
Link to Original Source
Link to Original Source
Submission + - Solar Powered Car Can Get Close To 60 MPH! (inhabitat.com)
Jason Sahler writes: "The World Solar Challenge across the Australian outback is coming up, and we're already seeing some truly incredible vehicles going for the gold. Take the Bethany, a solar powered vehicle designed by Cambridge University students. The vehicles is capable of achieving close to 60 miles per hour. Doesn't sound to impressive? Try doing it by using the power required to run a hairdryer."
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