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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.

Understanding how unrest informed both early Christianity and the foundational stories of the United States can serve as a guide in this current period of turmoil. Professors Samira Mehta and Samuel L. Boyd share on The Conversation.

A mental health crisis has begun, as social isolation from the coronavirus and loss of jobs, income and loved ones have left people reeling. Assistant Professor June Gruber and a colleague share on The Conversation.

If you’ve ever been outside on a foggy day, you’ve essentially been inside a cloud. Associate Professor Katja Friedrich answers Violet, age 6, in The Conversation’s Curious Kids series.

Net-zero energy buildings produce at least as much energy as they use. Designing whole net-zero campuses and communities takes the energy and climate benefits to a higher level. CU Boulder researcher Charles F. Kutscher shares on The Conversation.