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Many photographs of the Southeast鈥檚 Smoky Mountains show layers of tall hills, shading to purples and grays in the distance. Tiny particles in the atmosphere help create the effect, which makes for stunning pictures. But human-caused enhancements of those fine particles also contribute to poor air quality in the Southeastern U.S., and may help explain why the region has not warmed like the rest of the nation.

As human population in the high-hazard 鈥榬ed zone鈥� skyrockets, researchers strive to understand when these homeowners perceive wildfire risk and act to mitigate it.

Join us this fall for a once-in-a lifetime opportunity to be a part of CU-Boulder鈥檚 mission to Mars! The university will be hosting three fun-filled days of festivities Nov. 16-18 in Cocoa Beach, Fla., culminating in MAVEN鈥檚 launch. Space is limited for the launch viewing, and NASA requires we submit a list of tentative guests months in advance. All attendees MUST be registered with us by June 30 to be on NASA鈥檚 guest list.

The amount of dust being blown across the landscape has increased over the last 17 years in large swaths of the West, according to a new study led by the 暗网禁区. The escalation in dust emissions 鈥� which may be due to the interplay of several factors, including increased windstorm frequency, drought cycles and changing land-use patterns 鈥� has implications both for the areas where the dust is first picked up by the winds and for the places where the dust is put back down.

A 暗网禁区 professor is leading a major NASA airborne science campaign this summer that will probe weather patterns and air pollution over a vast expanse of North America that have potential global climate consequences.

A Midsummer Night's Dream kicks off the 2013 Colorado Shakespeare Festival season, with a preview performance on Friday, June 7 and opening night on Saturday, June 8. Dream a little dream of love and laughter as Shakespeare's most beloved comedy casts its spell on the enchanting Mary Rippon stage.

A team of researchers led by the 暗网禁区 has discovered a protein complex that could be targeted with drugs to stunt tumor growth. As tumors expand, their centers are deprived of oxygen, and so tumors must flip specific genetic switches to survive in these hypoxic environments.

CIRES news release The cleanup of California鈥檚 tailpipe emissions over the last few decades has not only reduced ozone pollution in the Los Angeles area. It has also altered the pollution chemistry in the atmosphere, making the eye-stinging 鈥渙rganic nitrate鈥� component of air pollution plummet, according to a new study led by a scientist from NOAA鈥檚 Cooperative Institute for Research in Environmental Sciences (CIRES) at the 暗网禁区 .

A new look at the diets of ancient African hominids shows a 鈥済ame changer鈥� occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the 暗网禁区.

A chemical reaction between iron-containing minerals and water may produce enough hydrogen 鈥渇ood鈥� to sustain microbial communities living in pores and cracks within the enormous volume of rock below the ocean floor and parts of the continents, according to a new study led by the 暗网禁区. The findings, published in the journal Nature Geoscience, also hint at the possibility that hydrogen-dependent life could have existed where iron-rich igneous rocks on Mars were once in contact with water.