Playlists
Archive
2014
January
February
March
April
May
June
July
August
2013
January
February
March
April
May
June
July
August
September
October
November
December
2012
January
February
March
April
May
June
July
August
September
October
November
December
2011
January
February
March
April
May
June
July
August
September
October
November
December
2010
January
February
March
April
May
June
July
August
September
October
November
December
2009
January
February
March
April
May
June
July
August
September
October
November
December
2008
January
February
March
April
May
June
July
August
September
October
November
December
2007
June
July
August
September
October
November
December

Feb. 06, 2009

Ancient Whale Relative Gave Birth on Land

Fossil remains of an ancient pregnant whale suggest that the animal gave birth on land some 47.5 million years ago.

whale, land, evolution, fossil

Nov. 04, 2011

A Researcher Asks: Are Dolphins Self-Aware?

Psychologist Diana Reiss discusses communication and cognition in dolphins.

dolphin communication brain learning

Dec. 07, 2012

Blue Whale Barrel Roll Caught on Camera

Biologists are using data tags and a National Geographic Crittercam to study the dining habits of the largest animal on the planet.

blue whales, undersea camera, video, ocean, crittercam, underwater acrobatics

Feb. 19, 2010

Dolphins and Comparative Medicine

What happens when a dolphin catches a cold? No, it's not a trick question. In this hour, we'll talk about what marine mammals can teach us about human biology.

dolphin, zoonotic, zoonoses, aaas, ocean, health

Jul. 01, 2011

Video Pick: Blowing Bubble Nets

Underwater digital tags show humpback whales use bubbles to trap schools of fish.

whale sea marine biology

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Whale Tales

BOOKS BY OUR GUESTS

Mystery Box

How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics