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On any given day, 20 percent of Americans account for nearly half of U.S. diet-related greenhouse gas emissions, and high levels of beef consumption are largely responsible, according to a new study from researchers at the University of Michigan and Tulane University.

Tropical Cyclone Marcus continues to strengthen as it moves further away from Western Australia. NASA's Aqua satellite analyzed the system in infrared light to find the strongest part of the hurricane. 

By analyzing a storm in Infrared light, scientists can tell cloud top temperatures that   give clues about the location of the highest, coldest and strongest storms.

NASA's Aqua satellite analyzed Tropical Cyclone Eliakim in infrared light and found warmer cloud top temperatures as wind shear continued to pummel the storm. Wind shear has elongated Eliakim and pushed precipitation south of the storm's center.  

For years, scientists have been inspired by nature to innovate solutions to tricky problems, even oil spills — manmade disasters with devastating environmental and economic consequences. A new USC study takes a cue from leaf structure to fabricate material that can separate oil and water, which could lead to safer and more efficient oil spill clean-up methods.

Scientists have devised a method for predicting how rising global temperatures are likely to affect the severity of diseases mediated by parasites. Their method can be applied widely to different host-pathogen combinations and warming scenarios, and should help to identify which infectious diseases will have worsened or diminished effects with rising temperatures.