Playlists
Archive
2015
January
2014
January
February
March
April
May
June
July
August
September
October
November
December
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

Sep. 18, 2009

Tiny T-Rex

Scientists report the discovery of a dinosaur that could have been a scale model of the fearsome Tyrannosaurus Rex.Scientists report the discovery of a dinosaur that could have been a scale model of the fearsome Tyrannosaurus Rex.

dinosaur, trex, evolution

Mar. 05, 2010

An Older Proto-Dino

Researchers report finding fossil remains of a 'proto-dinosaur,' some 10 million years older than previously known.

dinosaur, evolution, triassic

Apr. 25, 2008

More Evidence for Dinosaur / Bird Link

Analysis of proteins found in a scrap of collagen from a 68-million-year-old Tyrannosaurus rex leg bone provides strong evidence for the idea that dinosaurs are the ancestors of modern-day birds.

dinosaurs, paleontology, birds, fossils, evolution

Oct. 23, 2009

Extinctions from Algae?

Many scientists attribute the world's great extinction events to major catastrophes such as asteroid strikes and massive volcanic eruptions. We'll talk with researchers exploring an alternate theory -- that massive algal blooms led to mass extinctions.

extinction, algae, asteroid, dinosaur

Feb. 08, 2013

Researchers Point to the Demise of the Dinosaurs

Scientists are working to refine the dates for an ancient cosmic collision.

dinosaurs, paleontology, asteroid collision, comet collision, KT boundary, cretaceous, chicxulub, climate change

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Baby, It's Cold Outside

BOOKS BY OUR GUESTS

Mystery Box

Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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