A Moment of Science

Latest Episodes:

DNA and RNA in a genetic museum Dec 20, 2023

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When it comes to researching extinct animals the focus has almost entirely been on DNA because it tends to stand the test of time better, but RNA is the real secret to understanding how animal’s cells functioned.

How cockroaches get away Dec 19, 2023

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The all-too-familiar American cockroach almost seems to know where you're going to strike. What's the tip-off that sends the cockroach running?

Seeing color out of the corner of your eye Dec 18, 2023

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If you look at a green door at the edge of your field of vision, it's still green. Simple right? Not quite.

Tardigrades are even stranger than they appear Dec 15, 2023

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Tardigrades look strange, but they're made up of even stranger stuff.

The mermaid, the witch, and climate change? Dec 14, 2023

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Some academics have turned to creative sources to translate what existing research tells us about climate problems and policy responses: fairy tale characters.

MRI, CT, and PET scans, oh my! Dec 13, 2023

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What sets MRI, CT, and PET scans apart?

You are what you eat, even for extinct Caribbean rodents Dec 12, 2023

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In 2018, scientists from Johns Hopkins and the University of Cincinnati attempted the first study of extinct Hispaniolan rodents using isotopes. What can isotopes tell us about extinct animals?

Firefly flashes are mating signals Dec 11, 2023

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Male fireflies cruise the evening air, flashing their lanterns in a pattern characteristic of their species, looking for females of their own kind.

The ocean is changing color Dec 08, 2023

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About 56% of the ocean’s surface has changed in color. An expanse larger than Earth’s entire land surface has become slightly greener.

What makes fluorescent colors so bright? Dec 07, 2023

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Have you ever wondered why fluorescent colors -- like you see in highlighters or clothing dyes, for instance - seem so much brighter than other colors?

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