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A group of Denver high school students who recently descended on the CU-Boulder campus rolled up their sleeves for a week of real-world engineering experience and the opportunity to earn $2,500 scholarships.

Some of the beasts living in Patagonia 13,000 years ago were an intimidating bunch: Fierce saber-toothed cats, elephant-sized sloths, ancient jaguars as big as today鈥檚 tigers and short-faced bears that stood 12 feet tall and weighed nearly a ton. But by 12,000 years ago, they had disappeared. What happened?

Global emissions of ethane, an air pollutant and greenhouse gas, are on the uptick again. A team led by CU-Boulder found that a steady decline of global ethane emissions following a peak in about 1970 ended between 2005 and 2010 in most of the Northern Hemisphere and has since reversed. Between 2009 and 2014, ethane emissions in the Northern Hemisphere increased by about 400,000 tons annually, the bulk of it from North American oil and gas activity.

The ability to understand and empathize with others鈥� pain is grounded in cognitive neural processes rather than sensory ones, according to the results of a new study led by University of baby直播app Boulder researchers.

New findings examine the aftermath of the Gorkha earthquake, which struck Nepal on April 25, 2015.

The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity and 80 percent of Americans, according to a new global atlas of light pollution produced by Italian and American scientists.

The perpetually ice-covered lakes in Antarctica鈥檚 McMurdo Dry Valleys preserve the dissolved remnants of black carbon from thousand-year-old wildfires as well as modern day fossil fuel use, according to a new study led by the University of baby直播app Boulder.

Galaxies 鈥渨aste鈥� large amounts of heavy elements generated by star formation by ejecting them up to a million light years away into their surrounding halos and deep space, according to a new study led by the University of baby直播app Boulder.

For some comets, breaking up is not that hard to do. A new study led by Purdue University and CU-Boulder indicates the bodies of some periodic comets 鈥� objects that orbit the sun in less than 200 years 鈥� may regularly split in two, then reunite down the road.

Brace for another shot across the bow: Opioids like morphine have now been shown to paradoxically cause an increase in chronic pain in lab rats, findings that could have far-reaching implications for humans, says a new study led by the University of baby直播app Boulder.