Plan flying putting out fires by a neighborhood

Humans ignite almost every wildfire that threatens homes

Sept. 22, 2020

Wildfires are a natural disturbance for these regions, but when combined with climate change and housing growth in the wildland-urban interface, they become larger and more destructive.

Kamala Harris

With Kamala Harris, Americans yet again have trouble understanding what multiracial means

Sept. 1, 2020

News that Sen. Kamala Harris was Joe Biden’s choice for the 2020 Democratic vice presidential nominee drove speculation and argumentation about her identity. The big question appeared to be, “Is Kamala Harris truly African American?”

Chip on campus during move in day

Welcome back! Let’s make safety job #1

Aug. 24, 2020

You have the distinction of going to college in extraordinary times. You don’t need me to tell you this, of course. Headline writers describe the new school year with adjectives like “grim” and “frightening.”

Campus in the Fall

Academic freedom and academic responsibility

Aug. 24, 2020

As you may know, John Eastman, the 2020-21 Visiting Scholar in Conservative Thought and Policy at the Benson Center for the Study of Western Civilization, has published an essay in Newsweek arguing that Kamala Harris might not be eligible to be vice president of the United States.

Intentionally mutilated head of Egyptian Pharaoh Hatshepsut. Elizabeth Ellis, CC BY-SA

Ancient cancel cultures: The defacement of statues in America replicates a tradition going back millennia

Aug. 20, 2020

The result of months of protests over racial injustice and monument destruction may seem like a modern form of American political speech. It’s not.

Police car moth on sneezeweed

Police car moths have conspicuous color patterns and fly during the day

Aug. 17, 2020

Wielding all of these defenses, these moths have little to fear from birds or bats and they ignore photographers with impunity Triangular leaf senecio, Senecio triangularis , is common on the eastern slope of Cimarron Ridge in the San Juan Mountains, from 9,000 to over 10,000 feet. This year they...

Black swallowtails

Many roles of color patterns in black swallowtail butterflies

Aug. 4, 2020

The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages

New priorities in Boulder, Colo. Kevin Krizek, CC BY-ND

With fewer cars on US streets, now is the time to reinvent roadways and how we use them

July 27, 2020

Emerging forms of mobility and changing mindsets can help deliver these opportunities Sticking closer to home because of COVID-19 has shown many people what cities can be like with less traffic, noise, congestion and pollution. Roads and parking lots devoted to cars take up a lot of land . For...

People wearing masks and social distancing at the Sanctuary of Our Lady of Lourdes on May 30, 2020. Laurent Dart/AFP via Getty Images

Online Christian pilgrimage: How a virtual tour to Lourdes follows a tradition of innovation

July 27, 2020

The coronavirus pandemic has caused unprecedented disruptions to many religious activities The Catholic Church held what is being termed as the first online pilgrimage to the Sanctuary of Our Lady of Lourdes in France. Earlier this spring, for the first time in its 162-year existence the shrine was closed as...

Larval ladybug

A ladybug's bright colors advertise toxic chemical defenses

July 21, 2020

Evolutionary biologists have noted that effective chemical defenses promote gregarious behavior During fall in the mountains, ladybugs migrate uphill, forming dense overwintering populations, defended by the alkaloids of thousands of insects." Virtually everyone can identify ladybugs and most are pleased to see the brightly colored beetles, while gardeners treasure them...