atomic clock

A tale of two clocks: Advancing the precision of timekeeping

Jan. 18, 2024

Professor Jun Ye’s team, in collaboration with JILA and NIST Fellow James Thompson, has used a specific process known as spin squeezing to generate quantum entanglement, resulting in an enhancement in clock performance.

Power grid

What’s stopping US climate policies from working effectively?

Jan. 17, 2024

CU Boulder researchers discussed the challenges that could compromise the potential of some of the country’s most ambitious climate policies including the Inflation Reduction Act.

Technician in protective gear examines a computer chip

New instrument to capture stardust as part of NASA mission

Jan. 11, 2024

Scientists and engineers at the CU Boulder will soon take part in an effort to collect a bit of stardust—the tiny bits of matter that flow through the Milky Way Galaxy and were once the initial building blocks of our solar system.

A couple holding hands with matching tattoos

Science confirms it: Love leaves a mark on your brain

Jan. 10, 2024

The brain produces more of the pleasure-inducing hormone dopamine when we’re longing for or hanging out with our partner, according to research by CU Boulder neuroscientists. But when we break up, that unique “chemical imprint” fades away.


Acidity of Antarctic waters could double by century’s end, threatening biodiversity

Jan. 9, 2024

Without drastically reducing global emissions, the Antarctic Ocean could become too acidic for hundreds of species living there, many already endangered by rising temperatures and sea ice loss.

AI-generated image of Mickey Mouse robbing a steamboat at gunpoint

The mouse is out and running loose on AI

Jan. 9, 2024

Generative artificial intelligence tools and copyright law are intersecting in the 1928 “Steamboat Willie” cartoon featuring Mickey Mouse. Associate Professor Casey Fiesler, an expert in tech ethics, says it’s just the start.

A study participant on the treadmill in the CHANGE lab

Study: Cannabis can make workouts more fun, but it’s no performance-enhancer

Jan. 3, 2024

A first-of-a-kind laboratory study of runners shows that using cannabis before training can boost motivation and mood. However, if the THC content is high, it can also make exercise feel harder, potentially sabotaging performance.


‘The end of an era of fossil fuel consumption’: A CU prof’s take on COP28

Dec. 19, 2023

Just back from the United Nations climate summit in Dubai, Environmental Studies Professor Max Boykoff reflects on the historic pledge countries made to cut planet-warming fossil fuels—and where the agreement falls short.

Power wind farm

US utilities on track to be 100% renewable by 2060

Dec. 19, 2023

A CU Boulder study led by undergraduate Grace Kroeger found in states with and without aggressive goals, utilities plan to drop fossil fuels.

Man holding pole crouches in stream

How an overlooked study over a century ago helped fuel the Colorado River crisis

Dec. 14, 2023

At the start of World War I, a scientist named Eugene Clyde La Rue hiked the American West to estimate how much water flows down the Colorado River. His findings were ignored, but leaders today don't have to make the same mistake, says CU Boulder hydrologist Shemin Ge.