Claytonia rosea

Why are pink spring beauties varying shades of pink?

May 17, 2023

Pink spring beauties are ephemerals that sustained the earliest Americans, and selection pressure may hold the clue to color variation.

Image of fish eating algae

Fish are good at disregarding fake news

March 30, 2023

Published research co-authored by CU Boulder marine biologist shows that coral reef fish can make dynamic adjustments in their sensitivity to information from other fish to suppress the spread of misinformation.

sage

Sagebrush has an arsenal of defenses for an army of herbivores

March 15, 2023

That potent aroma prized by humans serves many functions for the plant.

Image of the Colorado Plateau

Mormon tea has no flowers or leaves but lots of history

March 3, 2023

Mormons used the plant to make a caffeine-free hot drink, and Native Americans used it to relieve congestion.

big shroom

On the trail of big, ugly mushrooms

Feb. 7, 2023

Aspen boletes build physical connections for mutualistic exchanges with quaking aspen.

A red female squirrel

Squirrels roll the dice on their offspring

Jan. 25, 2023

A collaborative study with a CU Boulder professor investigates how the risks and rewards of red squirrel reproduction is a microcosm of evolutionary patterns.

Mike Gil scuba diving through kelp bed.

Marine biologist probes importance of diversity

Jan. 20, 2023

Let’s CU Well presentation on Jan. 30 by CU Boulder professor to highlight diversity’s importance in many settings.

Wood Nymph on a leaf.

Common wood nymphs have sensory surprises

Jan. 17, 2023

The common wood nymph tastes with its feet and hears with its wings.

A beautiful male swallowtail butterfly.

The Darwin Award goes to a male black swallowtail butterfly

Jan. 5, 2023

The beautiful male emerged in October, eager to mate but destined for disappointment because he emerged too late in the season, just an example of natural selection at work I received an invitation to photograph a black swallowtail butterfly that had just emerged. It would linger only a short while...

aspen

Mysterious lumps and swollen bands on aspen

Dec. 9, 2022

One puzzle leads to another question, as yet unanswered, about the cause.

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