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Some comets are like couples: They break up, then make up

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 – objects that orbit the sun in less than 200 years – may regularly split in two, then reunite down the road.

Research Collaborations

Early humans, giant Patagonian beasts: Then they saw them, now we don’t

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’s 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?

Serving Colorado

Learning to be lawyers one ditch at a time

For Professor Sarah Krakoff and students from CU-Boulder, spring marks a transition from the halls of the Wolf Law Building to the fields of the San Luis Valley. Since 2012, Krakoff and her law students have regularly trekked to one of the largest high altitude deserts in the world, where they clear debris from irrigation ditches or acequias and provide free legal assistance to farmers whose water rights are in question.

Serving Colorado. Engaged in the World.

Explore CU Boulder: Campus canopy with Vince Aquino

With roughly 110 genera and one to six species per genera, the beauty and health of CU Boulder’s trees does not happen by accident. Caring for native and non-native species requires patience, knowledge and a dedicated team of arborists.

“There’s science and art, and you have to be thoughtful about what you’re doing,” said Vince Aquino, lead campus arborist. “The things you do to a tree in a couple minutes or an hour affect it for years or decades. You have to respect that and be cautious, and take your time about what you do and how you train others to do things.”