All Of Life Has A Common Ancestor. What Was LUCA?
Episode Date: January 17, 2025Imagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an intersec...
New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength.If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/shortwave
1425 episodes transcribedImagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an intersec...
When you picture a dinosaur, what does it look like? For Jingmai O'Connor, paleobiologist and associate curator of reptiles at the Field Museum of Chi...
The COVID-19 mRNA vaccine generates enough of an antibody response to protect against severe disease for six months. But other vaccines offer years-lo...
Air quality in the Los Angeles region has plummeted due to smoke from the ongoing wildfires. With all that smoke comes possible risks to human health....
Over 29,000 acres in the greater Los Angeles area are on fire right now. The fires emerged after the Santa Ana winds swept into the Los Angeles area T...
Fluoridating the public water supply has been common practice for nearly 80 years in the U.S. It's an acclaimed public health intervention that helps...
Some weapons used by the U.S. military are so powerful they can pose a threat to the people who fire them. Today, we meet two Marines, William Wilcox...
There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS location, Internet timing, sto...
Funeral services begin today for former President Jimmy Carter. He died Sunday, at 100-years-old. Carter brought attention to global health challeng...
(encore) Snowflakes. These intricate, whimsical crystals are a staple of magical wintry scenes, but how big can they really get? Well, according to th...
Happy New Year, Short Wavers! What better time to contemplate the conundrum that is zero than this, the reset of the year? Zero is a fairly new concep...
2024 was full of science news. There was a total solar eclipse, the Paris Olympics, elections in the United States and elsewhere, technological breakt...
The thick-billed parrot is the only surviving parrot species native to the United States. These brightly colored birds once roamed across the American...
In pop culture, squirrels are often seen as jerky, excited critters on the hunt for nuts to stuff themselves with and tuck away for later. But squirre...
In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard. The loss was ecologically...
On Christmas Eve, scientists at field stations across Antarctica sing carols to one another...via shortwave. On today's episode, the Short Wave podcas...
There are many statistics out there that prove that flying on a commercial airplane is safe, that plane crashes are overall pretty unlikely. Still, up...
Towana Looney became the first living person in the world to get a kidney from a new kind of genetically modified pig last month. Health correspondent...
Old mines leave behind a a pressing problem: Huge holes that make the landscape look like a chunk of swiss cheese. But in Germany, some scientists and...
AI uses a lot of power. Some of the next generation data centers may use as much power as one million U.S. households. Technology companies like Micro...