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Showing posts from October 25, 2016

Man Dies of Flesh-Eating Bacteria from Ocean: What Is Vibrio Vulnificus?

A man in Maryland died just days after he developed a rare infection from a type of flesh-eating bacteria that live in ocean water. The man, Michael Funk, 67, had a cut on his leg that came into contact with the salty water in a bay near his home in Ocean City, according to Nature World News. The cut allowed a type of bacteria called Vibrio vulnificus to enter his bloodstream.


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Lies Breed Lies: Brain May Get Desensitized to Dishonesty

Dishonesty is a slippery slope: If you behave dishonestly once, you may become more likely to do so again in the future, a new study from England shows. In several of the trials, conditions made it so that dishonesty benefited the participant. People's dishonesty escalated over the course of these trials, found the study, published online today (Oct. 24) in the journal Nature Neuroscience.


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High-Potency Pot Doubles Risk of Marijuana Dependence

People in the study who used "high-potency" marijuana were twice as likely to become dependent as those who used lower-potency forms of the drug, according to new findings presented today (Oct. 21) at the International Early Psychosis Association meeting in Milan. People are considered to be dependent on marijuana if they experience withdrawal symptoms — such as irritability, mood and sleep problems, and decreased appetite — when they are not using the drug, according to the U.S. National Institute on Drug Abuse (NIDA). The potency of marijuana refers to how much tetrahydrocannabinol (THC) is found in the plant.


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Coral 'Twilight Zone' Reveals New Type of Photosynthesis

Now, researchers have discovered that the corals that inhabit this "twilight zone" have a never-before-seen adaptation that enables them to eke out enough light energy to survive. The photosynthetic algae that live on and power these corals have unusual cellular "machinery" that enables them to conduct photosynthesis more efficiently than species that live at shallower depths, the researchers reported Oct. 17 in the journal Frontiers in Marine Science. "It's unlike anything we've seen on land, or anything we've even seen in the shallow reefs," said David Gruber, a marine biologist at the City University of New York and one of the researchers on the study.


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New Millipede Species Has 414 Legs and 4 Penises

A pale, thread-like creature found lurking in a California cave is a brand-new species of millipede. The stringy arthropod has 414 legs and four "penises," limbs that were converted over evolutionary time into structures that transfer sperm. Only a single specimen of the new species has been found, a male, so researchers don't know what the females look like.


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'Spiders' on Mars: Citizen Scientists Investigate Strange Martian Terrain

These prominent surface features are found near Mars' south pole, and are believed to be linked to seasonal changes. "The trapped carbon dioxide gas that carves the spiders in the ground also breaks through the thawing ice sheet.


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What's Up with 'Niku'? Object's Weird Orbit Puzzles Scientists

A mysterious object in the outer reaches of the solar system is revolving around the sun in an abnormal way, and scientists currently cannot explain why. The object has been nicknamed Niku, a Chinese adjective that means "rebellious," by the group of researchers who announced its discovery in August. This name was chosen because the object's orbit is retrograde, meaning it moves in the opposite direction of nearly everything else in the solar system.


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