Red Bull Stratos/European Pressphoto Agency
Felix Baumgartner of Austria jumps from 24 miles up in Roswell, New Mexico.
Tuesday in science, sharks with an image problem, good teeth get more dates, dog geniuses and remembering your dreams. Check out these headlines and other science news from around the Web.
Supersonic Skydiver: Skydiver Felix Baumgartner was faster than he or anyone else thought during his record-setting jump last October from 24 miles up. The Austrian parachutist known as “Fearless Felix” reached 843.6 mph, reports The Associated Press.
Stress Through Generations: For the first time, genes chemically silenced by stress during life have been shown to remain silenced in eggs and sperm in mice, possibly allowing the effect of stress to be passed down to the next generation, reports The Washington Post.
Man Bites Shark: A new study refutes the shark’s reputation as a bloodthirsty stalker of humans, reports Reuters. There’s no basis for believing that sharks have a taste for human flesh, the study argues. Human swimmers, often dressed in black wet suits and looking like seals, are instead mistaken for sharks’ usual prey.
What Singles Want: Good teeth, grammar and humor are important to singles, a new USA Today survey reports.
The Farmer’s Workout: Farmers -- the people counted on to feed the nation -- are facing weight gains of their own, reports Gannett News.
Yes, They Do Windows: The Wall Street Journal reports on window-washing robots.
Staying In: To keep patients out of the hospital, health care providers are bringing back revamped versions of a time-honored practice: the house call.
Spill Your Secrets: Teenagers who share their secrets in confidence with parents and friends have fewer headaches and depressed moods and are more confident in social situations than those who keep secrets to themselves, according to a report in The Journal of Adolescence.
Drilling on Mars: NASA’s Curiosity rover, the S.U.V.-sized robot exploring Mars, is getting ready to spin its drill bit for the first time, reports The Christian Science Monitor.
Couch Potatoes: Men who watch a lot of television have lower sperm counts than those who don’t watch any, reports ScienceNews.org.
Dream a Little Dream: Anyone who has ever awoken feeling amazed by their night’s dream only to forget its contents by the time they reach the shower will understand the difficulties of studying such an ephemeral state of mind, reports New Scientist.
Smart Dogs: Scientific American explores the science of dog intelligence.
SciTimes Update: Recent Developments in Science and Health News
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SciTimes Update: Recent Developments in Science and Health News
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