Single mountain ball cactus blooming with pink flowers

Mountain ball cactus has variation in floral color and scent

July 3, 2024

Lingering question: Do variations in scent correspond to variations in color?

flag

What is patriotism?

June 26, 2024

'Right or wrong, our country' is a popular but flawed expression of patriotism; a morally responsible patriot, on the other hand, tries to protect and improve her country’s moral character.

Rumex crispus, or curly dock

Curly dock has all the traits of a super weed

May 28, 2024

With high levels of oxalic acid, like that in Brussels sprouts, and with a proliferation of seed dispersal, the plant easily establishes itself everywhere except Greenland.

CCNY basketball players accused of bribery

Learning lessons from historic sports-betting scandals

May 28, 2024

Sports gambling creates a windfall, but raises questions of integrity, says ÃÛÌÇÖ±²¥ Boulder researcher Jared Bahir Browsh.

illustration of planet Venus losing water

As hot as a pizza oven and dry as a desert

May 24, 2024

Venus is losing water faster than previously thought—here’s what that could mean for the early planet’s habitability.

Person walking in rain with umbrella

Goodbye, El Niño, and hello, La Niña

May 24, 2024

La Niña is coming, raising the chances of a dangerous Atlantic hurricane season—an atmospheric scientist explains this climate phenomenon.

Boy and girl looking at candles

Honoring the diversity in two distinct but linked communities

May 16, 2024

Asian Jewish Americans have a double reason to celebrate their heritage in May.

Houndstongue seeds

Houndstongue is a noxious, poisonous weed with nasty seeds and pretty flowers

April 30, 2024

Professor Emeritus takes a closer look at beautiful weeds with a lethal potential to kill livestock, and even, humans.

Climate march in Washington D.C.

Putting climate on the ballot

March 19, 2024

Climate change matters to more and more people–and could be a deciding factor in the 2024 election.

White mountain dryas growing on Hasley Pass

Mountain dryad is adapted to high elevation, cold and windy sites

March 6, 2024

Surprisingly, subspecies with different growth forms can be within a few feet of one another.

Pages