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...

fire

The Marshall Fire, a year later: Hidden toxins and the fire next time

Jan. 3, 2023

Homes that survived the Marshall Fire harbored another disaster inside – here’s what we’ve learned about this insidious urban wildfire risk.

Jill Litt in a garden

Nature program helps reduce teenage loneliness, new study finds

Dec. 22, 2022

The MINT study program uses nature-based social intervention to address and dimmish loneliness with teenage parents and their peers.

Shloka Dhar posing next to her thesis project made of metal and fabric.

Artist vivifies the pain, diaspora and tragedy of Kashmir

Dec. 21, 2022

Shloka Dhar, who majored in art practices and molecular, cellular and developmental biology, is the College of Arts and Sciences’ outstanding graduate for fall 2022.

Researcher on top of concrete block submerged in the ocean.

A Lesson from the Past?

Dec. 20, 2022

Marine concrete from the Roman empire has proven to stand the test of time—and offers insights into ways to combat rising sea levels now.

Hanukkah creates opportunities for families to celebrate their heritage – especially in the kitchen.

‘Untraditional’ Hanukkah celebrations are often full of traditions for Jews ofÌýcolor

Dec. 19, 2022

Multicultural Jewish families and Jews of color are innovating food-centered holidays to bring their whole selves to the table.

Model of a human brain

What stress does to your brain, and what future remedies could look like

Dec. 15, 2022

Neuroscientists at Â鶹Ãâ·Ñ°æÏÂÔØBoulder have discovered that a specific type of brain cell could be a key player in making you feel the negative impacts of stress.

Hands behind a barbed wire fence

Wealthy democracies have looser immigration policies, researchers find

Dec. 14, 2022

Political scientist Adrian Shin and UCLA colleague find that rising levels of inequality have opposite effects on immigration policies in wealthy vs. developing economies.

Karen rain collection

Â鶹Ãâ·Ñ°æÏÂÔØBoulder ecologist recognized for innovative work

Dec. 13, 2022

The Ecological Society of America has honored Karen Bailey for her work as an interdisciplinary ecologist.

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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