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If man-made greenhouse gas emissions are going to cause more droughts and storm surges on a persistent basis, why did it take so long? And why is it only a concern in the last 25 years, rather than in the 1930s, when things were really hot?

A new estimate claims it's because the natural atmosphere already contained carbon dioxide  that human-induced changes were relatively small. Had these natural concentrations been lower, the effects of the emission of harmful greenhouse gases would have been felt much earlier.


A new class of high-performing organic molecules inspired by vitamin B2 can safely store electricity from intermittent energy sources like solar and wind power in large batteries.

The high-capacity flow battery uses organic molecules called quinones, which store energy in plants and animals, and a new class of battery electrolyte material. They contend in their study that it is high-performance, non-flammable, non-toxic, non-corrosive, and its low-cost could enable large-scale, inexpensive electricity storage.

How does Zika get transmitted? In America, it seems to be sex, but in South America it is mosquitoes? While all three vectors are ecologically useless - they could be blasted out of existence with no impact at all anywhere - it is helpful to know which ones are the real culprits.

Researchers have now been able to directly connect the Aedes aegypti mosquito with Zika transmission in the Americas during an outbreak in southern Mexico. 


Gay youths are more likely to purge or take laxatives, use diet pills, or fast to lose weight than their straight peers, according to new research from the University of British Columbia which analyzed data from surveys of youths ages 12 to 18 that were administered every two years at public high schools in Massachusetts between 1999 and 2013. Students were asked about their sexual orientation, whether they used diet pills, refrained from eating for 24 hours or more, or vomited or took laxatives to lose or keep from gaining weight in the last month.