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Though nuclear war isn’t likely, Russia’s invasion of Ukraine could have far-reaching consequences, says ²ÊÃñ±¦µä researcher Brian Toon.

The COVID-19 pandemic has brought immunology terms that are typically relegated to textbooks into our everyday vernacular. Featuring three CU experts, look back at The Conversation stories that helped us make sense of the ever-evolving science.

Masters of the Environment students at CU are partnering with the city of Boulder and Boulder Valley School District to plant 1,200 saplings on April 22. Help out by getting a tree planted on your property, or sign up to volunteer. The deadline to order a tree is March 30.

A ceremonial planting will be held at the site of a new memorial tree in honor of the 10 community members who lost their lives in the 2021 shooting at King Soopers. The tree is a catalpa, a large shade tree that offers heart-shaped leaves, beautiful spring flowers and unique, persistent fruit.

CUnique Stories is an event in which storytellers—²ÊÃñ±¦µä alumni—share stories about their CU experiences with current community members. Listen to stories about academics, personal growth, activities, activism, connecting with nature, friendships, community and more.