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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When Leaf-cutters C...
366 Views
14:10:00 12/31/10

Leaf-cutter ants rely on their razor-sharp mandibles to cut leaves to pieces. But over time, their mandibles dull. Physicist Robert Schofield looked at what happen...

When Leaf-cutters Can't Cut It

Added 12/31/10
366 Views

When Leaf-cutters Can't Cut It

[LESS INFO] 366 VIEWS | ADDED 14:10:00 12/31/10
Leaf-cutter ants rely on their razor-sharp mandibles to cut leaves to pieces. But over time, their mandibles dull. Physicist Robert Schofield looked at what happens when the aging ants struggle with their snipping.

Preserving The Craf...
654 Views
14:10:00 12/17/10

Schwendeman's Taxidermy Studio has been mounting animals for sportsmen, museums and nature centers, for nearly ninety years. Take a tour of the studio and learn ho...

Preserving The Craft Of Taxidermy

Added 12/17/10
654 Views

Preserving The Craft Of Taxidermy

[LESS INFO] 654 VIEWS | ADDED 14:10:00 12/17/10
Schwendeman's Taxidermy Studio has been mounting animals for sportsmen, museums and nature centers, for nearly ninety years. Take a tour of the studio and learn how to flesh a bear, mount a rack and split an ear.

Growing Snowflakes ...
479 Views
14:10:00 12/10/10

Are you dreaming of a white Christmas? Try making your own winter wonderland. Ken Libbrecht, Caltech physicist and author of The Secret Life of a Snowflake, devise...

Growing Snowflakes In A Bottle

Added 12/10/10
479 Views

Growing Snowflakes In A Bottle

[LESS INFO] 479 VIEWS | ADDED 14:10:00 12/10/10
Are you dreaming of a white Christmas? Try making your own winter wonderland. Ken Libbrecht, Caltech physicist and author of The Secret Life of a Snowflake, devised an experiment to grow a snow crystal in an old plastic bottle. Dry ice required.

Desktop Diaries: Ol...
405 Views
14:10:00 12/03/10

Many of us spend more waking hours at our desk than anywhere else. Writer and neurologist Oliver Sacks explains what his desk means to him. From lumps of metal to ...

Desktop Diaries: Oliver Sacks

Added 12/03/10
405 Views

Desktop Diaries: Oliver Sacks

[LESS INFO] 405 VIEWS | ADDED 14:10:00 12/03/10
Many of us spend more waking hours at our desk than anywhere else. Writer and neurologist Oliver Sacks explains what his desk means to him. From lumps of metal to lemurs, Sacks describes some of his treasures, his preferred method for writing his books and why he takes comfort in dense metals.

Cranberry Sauce Wit...
496 Views
14:10:00 11/24/10

With the holiday season fast approaching, we hit the streets of New York City to see if people were feeling especially stressed. Paul Rosch, president of The Ameri...

Cranberry Sauce With A Side Of Stress

Added 11/24/10
496 Views

Cranberry Sauce With A Side Of Stress

[LESS INFO] 496 VIEWS | ADDED 14:10:00 11/24/10
With the holiday season fast approaching, we hit the streets of New York City to see if people were feeling especially stressed. Paul Rosch, president of The American Institute of Stress and a professor at New York Medical College, and Sheldon Cohen, psychologist at Carnegie Mellon University, weigh in on the effects of stress and offer a few tips for how to mitigate it.

Untangling The Hair...
315 Views
14:10:00 11/19/10

Kelly Ward, senior software engineer for Walt Disney Animation Studios, was tasked with bringing Rapunzel's locks to life in Disney's new movie, "Tangled." The hai...

Untangling The Hairy Physics Of Rapunzel

Added 11/19/10
315 Views

Untangling The Hairy Physics Of Rapunzel

[LESS INFO] 315 VIEWS | ADDED 14:10:00 11/19/10
Kelly Ward, senior software engineer for Walt Disney Animation Studios, was tasked with bringing Rapunzel's locks to life in Disney's new movie, "Tangled." The hair had to look realistic, but not too real -- otherwise Rapunzel would be towing 80 pounds of hair behind her.

Hunting The Wild Li...
437 Views
14:10:00 11/12/10

Lichens grow practically everywhere, but they have been neglected by scientists for years, says James Lendemer, a lichenologist with New York Botanical Garden. Len...

Hunting The Wild Lichen

Added 11/12/10
437 Views

Hunting The Wild Lichen

[LESS INFO] 437 VIEWS | ADDED 14:10:00 11/12/10
Lichens grow practically everywhere, but they have been neglected by scientists for years, says James Lendemer, a lichenologist with New York Botanical Garden. Lendemer took Science Friday on a trip to the Tannersville Cranberry Bog in Pennsylvania to track down these misunderstood creatures.

These Babies Can Ou...
290 Views
14:10:00 11/05/10

Australian brush turkeys have to fend for themselves as babies. They're what biologists call "super precocial." The birds fly the day they hatch, and hatchlings ca...

These Babies Can Out-Climb Their Parents

Added 11/05/10
290 Views

These Babies Can Out-Climb Their Parents

[LESS INFO] 290 VIEWS | ADDED 14:10:00 11/05/10
Australian brush turkeys have to fend for themselves as babies. They're what biologists call "super precocial." The birds fly the day they hatch, and hatchlings can climb vertical ledges better than adults.

Trapping Eels
295 Views
14:10:00 10/29/10

Every year, American eels migrate down coastal rivers towards the Atlantic to spawn. During the migration, eel fisher Ray Turner catches thousands in the Delaware ...

Trapping Eels

Added 10/29/10
295 Views

Trapping Eels

[LESS INFO] 295 VIEWS | ADDED 14:10:00 10/29/10
Every year, American eels migrate down coastal rivers towards the Atlantic to spawn. During the migration, eel fisher Ray Turner catches thousands in the Delaware river in an eel weir he builds by hand.

Physics Of Giant Pu...
419 Views
14:10:00 10/22/10

Pumpkins of the Atlantic Giant variety can weigh more than 1800 pounds. For a mechanical engineer with an interest in plus-sized fruit, like Georgia Tech’s David H...

Physics Of Giant Pumpkins

Added 10/22/10
419 Views

Physics Of Giant Pumpkins

[LESS INFO] 419 VIEWS | ADDED 14:10:00 10/22/10
Pumpkins of the Atlantic Giant variety can weigh more than 1800 pounds. For a mechanical engineer with an interest in plus-sized fruit, like Georgia Tech’s David Hu, this raises an interesting physics question: how can the pumpkin get so big without breaking?

March Of The Immune...
225 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
225 Views

March Of The Immune Cells

[LESS INFO] 225 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
183 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
183 Views

No-Grease Lightning

[LESS INFO] 183 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...
129 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
129 Views

From White Paper To Wanted Sign

[LESS INFO] 129 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 ...
179 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
179 Views

Crows Use Tools To Capture A Fatty Snack

[LESS INFO] 179 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...
132 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
132 Views

Science Of Good Dancing

[LESS INFO] 132 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.

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When Leaf-cutters Can't Cut It

Show: Science Friday Video Podcast

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When Leaf-cutters Can't Cut It
12/31/10

Leaf-cutter ants rely on their razor-sharp mandibles to cut leaves to pieces. But over time, their mandibles dull. Physicist Robert Schofield looked at what happens when the aging ants struggle with their snipping.