oldest tree

Historic “Old Main Cottonwood” slated for removal over Winter Break

Dec. 15, 2021

Planted in 1879 or 1880, the “Old Main Cottonwood” is the oldest and tallest tree on campus. At more than 140 years old, 110 feet tall and 19 feet in circumference at the base of the trunk, it has outlived and outgrown all other on-campus cottonwoods that were planted at...

Julie Volckens is OIEC director of assessment and helped Safran's lab create the survey.

Lab turns critical eye on itself, aims to retain diverse voices

Oct. 27, 2021

It’s said that a diversity of voices promotes a diversity of solutions, but retaining those diverse voices remains a challenge for science, technology, engineering and mathematics (STEM) fields. A new project at the University of Colorado Boulder, though, hopes to target that need at the most accessible level: the lab...

The discovery of a rare three-species warbler hybrid suggests bird species in sharp decline are struggling to find suitable mates

Declining warblers making the best of bad situation

Oct. 27, 2021

A strange warbler found in a Pennsylvania backyard is the first-of-its-kind three-species hybrid, indicating nearby endangered warblers might be making the best of a declining population—but at a cost, according to new research from the Cornell Lab of Ornithology and the University of Colorado Boulder. With a mother that is...

avani fachon

Interactive website immerses viewers in the world of barn swallows

Oct. 19, 2021

Avani Fachon, a CU undergraduate with a major in ecology and evolutionary biology and a minor in media production, has created an honors thesis project as a multimedia, interactive website titled Rituals of this Good Earth: An Exploration of Barn Swallow-Human Interconnections . She is a National Science Foundation Post...

News Feature Dr. Rebecca Safran honored during National Postdoctoral Appreciation Week, September 20-24

Sept. 27, 2021

NPAW is sponsored by the National Postdoctoral Association , of which all CU Boulder postdocs are members, to highlight the research, scholarly and creative contributions of postdocs. Outstanding Postdoc Awards This year’s Outstanding Postdoc Awards, reserved for postdocs excelling in research productivity, innovation, communication and leadership, are awarded to Drs...

Top: Lisa Corwin measures an apple tree on the CU Boulder campus. Middle: Lisa Corwin and two students shake an apple tree to retrieve samples for data collection. Bottom: Metal tags, which do not harm the trees, are used to tag and identify trees as part of the Boulder Apple Tree Project. (Credit: CU Boulder)

Participate in a historic (and tasty) science project this fall

Sept. 23, 2021

Fall means cooler temperatures, changing leaves and apples ready for the picking. This year, there is a bumper crop of ripe Delicious, Ben Davis and yet-to-be-identified fruits in and around Boulder thanks to a wet spring. For some, it may come as a surprise that apples can flourish along the...