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Animal Alphabets
Have scientists discovered an alphabet in whale calls? As researchers try to decipher the series of clicks made by sperm whales, we ask whether these cetaceans might have language, and if it follows …
Published on 23 hours ago
Aliens Now
We are closer than ever to finding aliens according to astrophysicist Adam Frank. He isn’t alone in his optimism. Over the last two decades, the tools used to search for extraterrestrials have been a…
Published on 1 week ago
Don't Lighten Up
A canopy of stars in the night sky is more than breathtaking. Starlight is also an important tool that astronomers use to study our universe. But the growth of artificial light and light pollution ar…
Published on 2 weeks ago
Katrina and the River
“The Mississippi River will always have its own way; no engineering skill can persuade it to do otherwise,” said Mark Twain. In this, our final episode marking the 20th anniversary of Hurricane Katri…
Published on 3 weeks ago
Beyond the Standard Model
Ever heard of a beauty quark? How about a glueball? Physics is full of weird particles that leave many of us scratching our heads. But these tiny particles make up everything in the quantum world and…
Published on 4 weeks ago
Scoping Out the Universe
Telescopes are like light buckets. The bigger the telescope, the more light collected for astronomers to observe. With recent advances in technology, amateur astronomers can join professionals for a …
Published on 1 month ago
Leave it to Beavers
They are known for holding branches in their paws and gnawing on them like corn cobs. They build lodges and dams which occasionally flood roads. Cute, comical, and considered pests, beavers were near…
Published on 1 month, 1 week ago
The Play's the Thing
Has children’s play become too safe? Research suggests that efforts to prioritize safety harms children’s mental and physical development during play and contribute to anxiety. One solution: introduc…
Published on 1 month, 2 weeks ago
Nuts and Bolts
How frequently do you think about fasteners like screws and bolts? Probably not very often. But some of them a storied history, dating back to Egypt in the 3rd century BC. They aren’t just ancient hi…
Published on 1 month, 3 weeks ago
Coffee of the Future
Drinking a cup of coffee is how billions of people wake up every morning. But climate change is threatening this popular beverage. Over 60% of the world’s coffee species are at risk of extinction. Sc…
Published on 2 months ago