Science Friday Video Podcast

Science Friday, as heard on NPR, is a weekly discussion of the latest news in science, technology, health, and the environment hosted by ...
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Video Episodes:

March Of The Immune...
227 Views
14:10:00 10/15/10

Researchers filmed immune cells called neutrophils finding their way to a mouse's wounded liver. The researchers wanted to understand how neutrophils find injuries...

March Of The Immune Cells

Added 10/15/10
227 Views

March Of The Immune Cells

[LESS INFO] 227 VIEWS | ADDED 14:10:00 10/15/10
Researchers filmed immune cells called neutrophils finding their way to a mouse's wounded liver. The researchers wanted to understand how neutrophils find injuries when bacteria aren't around to signal the damage.

No-Grease Lightning
185 Views
14:10:00 10/08/10

Ira Flatow takes Nissan's new electric-powered Leaf for drive around New York City. This car runs on a rechargeable lithium-ion battery--that means no oil or gas.

No-Grease Lightning

Added 10/08/10
185 Views

No-Grease Lightning

[LESS INFO] 185 VIEWS | ADDED 14:10:00 10/08/10
Ira Flatow takes Nissan's new electric-powered Leaf for drive around New York City. This car runs on a rechargeable lithium-ion battery--that means no oil or gas.

Mark Twain And Scie...
181 Views
14:10:00 10/01/10

Did you know Mark Twain tried his hand at science fiction? Author Sam Kean writes about Twain in his book, "The Disappearing Spoon." Here, Kean narrates an animate...

Mark Twain And Science: It's Complicated

Added 10/01/10
181 Views

Mark Twain And Science: It's Complicated

[LESS INFO] 181 VIEWS | ADDED 14:10:00 10/01/10
Did you know Mark Twain tried his hand at science fiction? Author Sam Kean writes about Twain in his book, "The Disappearing Spoon." Here, Kean narrates an animated look at Twain's story, "Sold to Satan." It's about Twain, typewriters, radium, and, naturally, Satan.

From White Paper To...
132 Views
14:10:00 09/24/10

Stephen Mancusi worked for the New York Police Department for 27 years as a forensic artist. He specializes in composite sketching -- the process of interviewing v...

From White Paper To Wanted Sign

Added 09/24/10
132 Views

From White Paper To Wanted Sign

[LESS INFO] 132 VIEWS | ADDED 14:10:00 09/24/10
Stephen Mancusi worked for the New York Police Department for 27 years as a forensic artist. He specializes in composite sketching -- the process of interviewing victims and witnesses to create a drawing of a perpetrator that is released to help police find suspects.

Crows Use Tools To ...
184 Views
14:10:00 09/17/10

New Caledonian crows are among only a handful of species on the planet that have been shown to use tools. They use twigs to fish out beetle larvae from dead trees....

Crows Use Tools To Capture A Fatty Snack

Added 09/17/10
184 Views

Crows Use Tools To Capture A Fatty Snack

[LESS INFO] 184 VIEWS | ADDED 14:10:00 09/17/10
New Caledonian crows are among only a handful of species on the planet that have been shown to use tools. They use twigs to fish out beetle larvae from dead trees. Researchers explore why these birds evolved to have this unusual trait.

Science Of Good Dan...
133 Views
14:10:00 09/10/10

Evolutionary psychologist Nick Neave filmed men dancing, converted the videos into dancing avatars and asked women to rate the avatars' dancing ability. The resear...

Science Of Good Dancing

Added 09/10/10
133 Views

Science Of Good Dancing

[LESS INFO] 133 VIEWS | ADDED 14:10:00 09/10/10
Evolutionary psychologist Nick Neave filmed men dancing, converted the videos into dancing avatars and asked women to rate the avatars' dancing ability. The researchers found that the highly-rated male dancers had some moves in common.

New Dino: Stocky Wi...
66 Views
14:10:00 09/03/10

Researchers describe a new predatory dinosaur from the late Cretaceous period in Europe. Balaur bondoc (Romanian for "stocky dragon") is huskier than its closest r...

New Dino: Stocky With Menacing Toes

Added 09/03/10
66 Views

New Dino: Stocky With Menacing Toes

[LESS INFO] 66 VIEWS | ADDED 14:10:00 09/03/10
Researchers describe a new predatory dinosaur from the late Cretaceous period in Europe. Balaur bondoc (Romanian for "stocky dragon") is huskier than its closest relative the Velociraptor and has unusual feet.

Psychological Reapp...
63 Views
14:10:00 08/27/10

With daily reports of bedbugs in movie theaters, clothing stores -- let alone apartment buildings -- bedbug hysteria seems to be reaching new heights. Psychologist...

Psychological Reappraisal Of Bedbugs

Added 08/27/10
63 Views

Psychological Reappraisal Of Bedbugs

[LESS INFO] 63 VIEWS | ADDED 14:10:00 08/27/10
With daily reports of bedbugs in movie theaters, clothing stores -- let alone apartment buildings -- bedbug hysteria seems to be reaching new heights. Psychologist Kevin Ochsner, of Columbia University, studies how people regulate emotion. He says "reappraising" a situation -- for example, thinking about a bedbug in a new way-- can help you get your fear under control.

CreatureCast: Fried...
83 Views
14:10:00 08/20/10

CreatureCast presents the tale of the fried egg jellyfish and the creatures that hang around it. Trisha Towanda explains the complex web of symbiotic relationships...

CreatureCast: Fried Egg Jelly

Added 08/20/10
83 Views

CreatureCast: Fried Egg Jelly

[LESS INFO] 83 VIEWS | ADDED 14:10:00 08/20/10
CreatureCast presents the tale of the fried egg jellyfish and the creatures that hang around it. Trisha Towanda explains the complex web of symbiotic relationships between the jelly and other organisms, and how these relationships change over time.

The Secretly Speedy...
79 Views
14:10:00 08/13/10

Plants have a reputation for staying put. But some plants are moving so quickly, we can't see their motion. Biologist Joan Edwards and physicist Dwight Whitaker br...

The Secretly Speedy Life Of Plants

Added 08/13/10
79 Views

The Secretly Speedy Life Of Plants

[LESS INFO] 79 VIEWS | ADDED 14:10:00 08/13/10
Plants have a reputation for staying put. But some plants are moving so quickly, we can't see their motion. Biologist Joan Edwards and physicist Dwight Whitaker broke out the high-speed cameras to capture the story of exploding peat moss.

A Robot That Swims ...
62 Views
14:10:00 07/23/10

Based on mathematical models of the movement of fish, engineer Maurizio Porfiri built a robofish. When Porfiri lets the robot go for a dip in the lab pool, the rea...

A Robot That Swims With The Fishes

Added 07/23/10
62 Views

A Robot That Swims With The Fishes

[LESS INFO] 62 VIEWS | ADDED 14:10:00 07/23/10
Based on mathematical models of the movement of fish, engineer Maurizio Porfiri built a robofish. When Porfiri lets the robot go for a dip in the lab pool, the real fish mill about the robot and even follow it around.

Beach Season For Ho...
39 Views
14:10:00 07/16/10

Each summer, horseshoe crabs (Limulus polyphemus) along the Atlantic shore crawl onto beaches to mate and lay eggs -- making now a good time for marine scientists ...

Beach Season For Horseshoe Crabs

Added 07/16/10
39 Views

Beach Season For Horseshoe Crabs

[LESS INFO] 39 VIEWS | ADDED 14:10:00 07/16/10
Each summer, horseshoe crabs (Limulus polyphemus) along the Atlantic shore crawl onto beaches to mate and lay eggs -- making now a good time for marine scientists like John Tanacredi to monitor population size. Visit a New York beach to catch a glimpse of the action.

Seeing A Star In A ...
63 Views
14:10:00 07/02/10

NASA's Solar Dynamics Observatory (SDO), launched in February, has started to send back data. The instruments are giving solar scientists an unprecedented look at ...

Seeing A Star In A New Light

Added 07/02/10
63 Views

Seeing A Star In A New Light

[LESS INFO] 63 VIEWS | ADDED 14:10:00 07/02/10
NASA's Solar Dynamics Observatory (SDO), launched in February, has started to send back data. The instruments are giving solar scientists an unprecedented look at the sun, says Dean Pesnell, SDO project scientist.

Future Space Telesc...
50 Views
14:10:00 06/25/10

A full-scale model of the James Webb Space Telescope, the planned successor to Hubble, is on the circuit -- making appearances at science conferences and festivals...

Future Space Telescope Tours Earth

Added 06/25/10
50 Views

Future Space Telescope Tours Earth

[LESS INFO] 50 VIEWS | ADDED 14:10:00 06/25/10
A full-scale model of the James Webb Space Telescope, the planned successor to Hubble, is on the circuit -- making appearances at science conferences and festivals around the world. Science Friday visited the observatory and spoke to its handlers who were in town for the World Science Festival in New York City's Battery Park.

DIY Eye In The Sky
62 Views
14:10:00 06/18/10

Need a new perspective on life? Try launching a video camera 50 feet in the air. This DIY sky-cam is one of many experiments outlined in Ken Denmead's new book Gee...

DIY Eye In The Sky

Added 06/18/10
62 Views

DIY Eye In The Sky

[LESS INFO] 62 VIEWS | ADDED 14:10:00 06/18/10
Need a new perspective on life? Try launching a video camera 50 feet in the air. This DIY sky-cam is one of many experiments outlined in Ken Denmead's new book Geek Dad: Awesomely Geeky Projects and Activities for Dads and Kids to Share.

Bringing Down The Bolt
28 Views
14:10:00 06/11/10

Lightning is one of the biggest unsolved mysteries of the atmospheric sciences, researchers say. Scientists at the International Center for Lightning Research and ...

Bringing Down The Bolt

Added 06/11/10
28 Views

Bringing Down The Bolt

[LESS INFO] 28 VIEWS | ADDED 14:10:00 06/11/10
Lightning is one of the biggest unsolved mysteries of the atmospheric sciences, researchers say. Scientists at the International Center for Lightning Research and Testing in Florida are inducing lightning to strike so they can understand it better.

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March Of The Immune Cells

Show: Science Friday Video Podcast

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March Of The Immune Cells
10/15/10

Researchers filmed immune cells called neutrophils finding their way to a mouse's wounded liver. The researchers wanted to understand how neutrophils find injuries when bacteria aren't around to signal the damage.