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Ultraviolet light has a long history as a disinfectant, but it's not risk-free. How do we harness UV light to fight the spread of the virus and protect human health as people work, study and shop indoors? Professor Karl Linden shares on The Conversation.

While the debates about Kamala Harris’ multiraciality may seem new, they are similar to the commentary other high-profile mixed-race people in the U.S. have received about their racial identities. Professor Jennifer Ho shares on The Conversation.

As U.S. protesters deface monuments of once revered leaders, they are drawing from an ancient tradition used by both marginalized people and those in power. Assistant Professor Sarah Kurnick shares on The Conversation.

Imagine going from healthy and active to fearing you are dying almost overnight. CU alumna and epidemiologist Margot Gage Witvliet shares her story on The Conversation.

The vast majority of SARS-CoV-2 transmission occurs indoors, most of it from the inhalation of airborne particles that contain the coronavirus. Ventilation and filtration techniques hold the key to slowing the spread indoors. Mechanical engineering professor Shelly Miller shares on The Conversation. 

Cathedrals and chapels have played vital roles in the development of Christian culture, and their history offers important insight into Christianity. Bible scholar and professor Samuel L. Boyd shares on The Conversation. 

Coronavirus is causing religious communities to rethink ways of expressing their faith. In the spirit of finding innovative ways to continue rituals, the pilgrimage to Lourdes was conducted online. Assistant Professor Samuel L. Boyd shares on The Conversation. 

City streets were built to accommodate cars, but the COVID-19 pandemic has scrambled our transport needs. Many cities are moving to make streets more people-friendly and less car-centric. Professor Kevin J. Krizek shares on The Conversation.

Duckweed is the perfect space food: small, fast-growing and nutritious. By studying how light levels changed the production of radiation-fighting antioxidants, researchers made it even better. Professor Barbara Demmig-Adams shares on The Conversation.

The Arctic is warming about twice as fast as the planet as a whole, with serious consequences. Scientists have been warning about this for decades. Research Professor Mark Serreze shares on The Conversation.