Word: authorative
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...related issues of deforestation, logging, land grabbing and the slave labor sometimes used by powerful landowners, are the key factors in making Brazil's remote hinterlands such bloody places. "Economic interests are linked to land ownership and anyone opposed to them is in danger," says Julio Jacobo Waiselfisz, the author of "Brazil Violence Map," a government-sponsored study of the country's most violent areas...
...beginning to see "polar bear fatigue." How about bringing the effects of Arctic melt close to home, as in what it will cost? A new study does just that, and the results are alarming, not just for Arctic dwellers but for all of us. According to lead author Eban Goodstein, Ph.D., over the next 40 years Arctic ice melt will take an economic toll of between $2.4 trillion and $24 trillion. Unless we change course - and fast...
...changed the functioning of the rats' brain circuitry, making it harder and harder for them to register pleasure - in other words, they developed a type of tolerance often seen in addiction - an effect that got progressively worse as the rats gained more weight. "It was quite profound," says study author Paul Kenny, an associate professor of neuroscience at the Scripps Research Institute. The reward-response effects seen in the fatty-food-eating mice were "very similar to what we see with animals that use cocaine and heroin," he says...
...showed that an enriched environment made drug use less likely. I think from human research we can say clearly that enriched environments reduce all kinds of addictions, not just to drugs or alcohol," says Alexander, author of The Globalization of Addiction and designer of Rat Park...
Cheung cites physicist Stephen Hawking, author of A Brief History of Time, as one of his biggest inspirations and likes to say that humans, like dinosaurs, could go extinct—a disaster that space exploration could somehow ameliorate...