flower

Unique wildflower resembles Dr. Seuss’ fictional truffula trees

Sept. 17, 2019

With pendant urns, this perennial lofts its seeds with feathery plumes.

butterfly

Queen Alexandra’s sulphur an ultraviolet marvel

Sept. 7, 2019

Butterfly species is fascinating when it comes to color variation.

jeff

Green gentians live for decades, but only flower once

Aug. 16, 2019

It appears that, for a plant that will flower only once, having offspring flower over a period of at least 40 years is a way of hedging one’s bets in an unpredictable environment.

Caterpillar

Caterpillar a mobile fortress bristling with hypodermic needles

Aug. 2, 2019

Adult buck moths earned the name by flying during fall deer hunting season.

Super Bloom Photograph

A super bloom of desert annuals on the Colorado Plateau

June 19, 2019

Two factors suggested that this spring and summer would witness extraordinary blooms of wildflowers on the Colorado Plateau. First of all, blooms in California were so colorful and extensive that they were easily visible from space and they attracted hordes of people taking selfies amongst the flowers. In Colorado, average...

sphinx

White-lined sphinx moths’ flight, agility a marvel

May 30, 2019

The flight of sphinx moths is a marvel, for while hovering or accelerating the wings beat so fast that they emit a fluttering buzz — wingbeat frequencies are typically 41 cycles (up and down) per second.

garden

Hanging gardens rely on seeping water in sandstone alcoves

May 14, 2019

For evolutionary biologist Jeff Mitton, a trip to the Labyrinth Canyon Wilderness brought an added discovery.

garter

Mating ball of garter snakes caught on campus

May 9, 2019

Males employ an anoxic kiss to reduce female struggle and increase compliance The dam that forms Varsity Lake on the University of Colorado campus is solid, but nevertheless riddled with crevices that provide safe havens for western terrestrial garter snakes, Thamnophis elegans. Eager to witness the various fulminations of spring,...

founders

Grads’ 500 Women Scientists group fights for science, justice

April 25, 2019

Says one founder: "European men had very different notions of who should be doing science and what science is. It is a human institution not built with equity in mind.”

winners

Five college standouts named employees of the year

April 16, 2019

Five outstanding colleagues have been named employees of the year by the College of Arts and Sciences at the University of Colorado Boulder.

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