farm land

Agriculture replaces fossil fuels as largest human source of sulfur in the environment

Aug. 10, 2020

A new paper out today in Nature Geoscience identifies fertilizer and pesticide applications to croplands as the largest source of sulfur in the environment—up to 10 times higher than the peak sulfur load seen in the second half of the 20th century, during the days of acid rain.

Mt Evans

Patty Limerick named to state Geographic Naming Advisory Board

Aug. 10, 2020

Patty Limerick, faculty director and chair of the board of CU Boulder’s Center of the American West, will play a central role in Colorado’s historic effort to reassess names of state landmarks.

Moon glowing

Researchers take the ultimate Earth selfie

Aug. 10, 2020

Consider it Earth’s ultimate mirror selfie.

A baren ground

Waning attention to climate change amid pandemic could have lasting effects

Aug. 10, 2020

On Sept. 23, 2019, then-16-year-old climate activist Greta Thunberg stood before a sea of news cameras at the United Nations Climate Action Summit in New York City and told world leaders: “People are suffering. People are dying. Entire ecosystems are collapsing…How dare you continue to look away.”

Maven night glow

A new look at Mars’ eerie, ultraviolet nighttime glow

Aug. 10, 2020

Every night on Mars, when the sun sets and temperatures fall to minus 80 degrees Fahrenheit and below, an eerie phenomenon spreads across much of the planet’s sky: a soft glow created by chemical reactions occurring tens of miles above the surface.

Arctic Ocean

Increasing Arctic freshwater is driven by climate change

Aug. 10, 2020

New, first-of-its-kind research from CU Boulder shows that climate change is driving increasing amounts of freshwater in the Arctic Ocean.

Racism protest sign

Free anti-racism course opens door to 'some very difficult questions'

Aug. 7, 2020

CU Boulder Today recently spoke with Shawn O’Neal, a fourth-year PhD candidate in ethnic studies, to learn more about Anti-Racism I, the first of three new Coursera courses he has developed with Jennifer Ho, professor of ethnic studies and director of the Center for Humanities & the Arts (CHA).

Mission to red planet

Emirates Mars Mission to begin journey to the red planet

July 28, 2020

This month, researchers from Boulder and beyond will watch live as a slice of space exploration history launches from a pad on the Japanese island of Tanegashima.

Spit test

New COVID-19 test returns results in 45 minutes, without nasal swab

July 28, 2020

CU Boulder researchers have developed a rapid, portable, saliva-based COVID-19 test able to return results in 45 minutes. Such a test might eventually be deployable in community settings like schools and factories, and efforts are underway to conduct further validation tests and seek regulatory approval.


Scientists open new window into the nanoworld

July 28, 2020

CU Boulder researchers have used ultra-fast extreme ultraviolet lasers to measure the properties of materials more than 100 times thinner than a human red blood cell.