On Today's Podcast
After CDC Director Is Ousted, More Senior Officials Resign
Former CDC scientist Demetre Daskalakis left his post, citing political interference and a lack of science in decision-making at the agency.
Listen NowSeptember 5, 2025
A sand dune is much more than just a big pile of sand. But how do sand dunes work, and what else do scientists want to know about sand? Plus, candles, hairstyling products, and other common items can produce toxic air pollution that lingers in our homes. And, former CDC scientist Demetre Daskalakis left his post, citing political interference and a lack of science in decision-making at the agency.
Field Trip! Can You Stomach It?
Philadelphia’s Mütter Museum has a lot of heart, and other organs too.
Can 3D Printers Reshape the World?
From batteries to bikinis, a look at what’s in the queue for 3D printers.
Tall Buildings a Cut above the Rest
Desert towers with their own sunscreen are among the world’s best skyscrapers.
What Your Brain Looks Like When You Lose Self-Control
New pictures show what happens in the brain when you pass up the pie, but later eat the pudding.
Medical Oddities from the Bowels of the Mütter
“Disturbingly informative,” is how museum director Robert Hicks describes Philadelphia’s Mütter Museum—items of interest include a gangrenous hand, wax models of extinct diseases, deformed bones and body parts.
Bones, Books, and Bell Jars
In her new book, Bones Books and Bell Jars, physician and photographer Andrea Baldeck documents the collection of medical texts, instruments, and specimens at Philadelphia’s Mütter Museum.
How the Morning-After Pill Works
Growing scientific evidence weakens claims that the morning-after pill is tied to abortion.
Mapping the Microbial Make-Up of Healthy Humans
Scoping out the trillions of germs that call the healthy human body home.
Bacterial Armor Imaged, Down to the Details
Images of a bacterium reveal a protective protein coat akin to the chainmail of a medieval knight.
Desktop Diaries: Sylvia Earle
A moray eel, a flock of geese, and a shrunken head are just a few of things found in and around Her Deepness’ office.
Virus Hunter Recalls Discovery of Ebola and HIV
Would you be brave enough to go deep into the African jungle to investigate a deadly new virus? Peter Piot was, and he’s here to tell the tale.
Putting a Friendly Face on Statistics
Turning data into faces makes people take notice.
Neanderthals: The Oldest Cave Painters?
A red disk painted in a Spanish cave over 40,800 years ago could be the work of Neanderthals.
Desktop Diaries: Sylvia Earle
In the latest installment of Science Friday’s Desktop Diaries series, Her Deepness takes us on a tour on her Oakland office.
How ‘Flame’ Malware Hijacks a Computer
This malware spies, eavesdrops and writes home with data from infected computers.
Identifying the Real Culprit Behind Killer Vascular Diseases
A study finds stem cells are to blame for blocked arteries that cause heart attacks and stroke.
The Winning Answer to a Burning Question
The winner of Alan Alda’s ‘Flame Challenge’ draws on animation, song and a physics background.
What Happens When Two Galaxies Collide?
Astronomers say the Andromeda and Milky Way galaxies will collide in four billion years.
Ex-Spy Telescopes May Aid Hunt for Dark Energy
The spy telescopes are wide-angle and short in length–earning them the nickname “stubby Hubbles.”
SpaceX Dragon May Ferry Astronauts by 2015
After a successful cargo run to the space station, SpaceX is preparing the Dragon capsule for crew.