SciFri Radio: Ecosystems
SciFri Radio: Sylvia Earle: 'The World Is Blue'
Ira talks with ocean explorer Sylvia Earle about the state of the world's oceans, and what actions need to be taken to protect them from...
SciFri Radio: Green Your Lawn
Many home gardeners love a green lawn -- but how can you be grow green grass in the environmental sense as well?
SciFri Radio: Warming in the Arctic
New research looks at the effects of climate change on Arctic species.
SciFri Radio: An Expedition to the Great Pacific Garbage Patch
We'll talk with the leader of an expedition to the great Pacific garbage patch about tracking plastic in the sea.
SciFri Radio: Colliding Planets (Don't Panic)
New research finds a small -- but present -- chance of a collision between Earth and one of its planetary neighbors in the next few billion years.
SciFri Radio: Food Shortages and Civilization
How closely related are food supplies and the stability of a civilization?
SciFri Radio: Gardening with Native Plants
We'll talk about why growing plants that are native to your area can encourage healthier ecosystems.
SciFri Radio: A Community of Ancient Bacteria
We'll talk with researcher studying a community of bacteria that has been isolated from the surface for millions of years.
SciFri Radio: Algae Power
With growing interest in alternative fuels, we'll check in on efforts to create truly green sources of energy -- fuel from algae.
SciFri Radio: Astrobiology and the Origins of Life
In this hour of Science Friday, a conversation on astrobiology, the origins of life...and the possibility we're not alone in the universe.
SciFri Videos: Ecosystems
Video: Live from Alaska: Climate Change
On June 8, 2007, Science Friday broadcast from the University of Alaska Fairbanks. Ira and guests discussed how Alaska and the Arctic are changing...
Video: Squirrels, Snakes and Heated Tails
When California ground squirrels (Spermophilus beecheyi) are confronted by snakes, they puff up their tails and wave them around, in a display...
Video: Ask Ira: Coral Spawn by Moonlight
One night in November each year, hundreds of species of coral spawn. Scientists have puzzled over how coral living over a thousand miles apart on...
Video: Oysters--Not Just for Eating
Think oysters are good on the half shell? They may be even better whole. Oysters can restore marine habitats by cleaning water, creating homes for...
Video: Your Video: Rattlesnake Rescue
What happens when a giant poisonous snake gets stuck in a fence? Find out. Carol Buie-Jackson documents the rescue of an eastern diamondback...
Video: Meet the Newest Giant Elephant-Shrew
Galen Rathbun, Francesco Rovero and colleagues discovered a new species of elephant shrew--named the grey-faced sengi (Rhynchocyon...
SciFri Newsbriefs: Ecosystems
Newsbrief: Anglers Beware: Fish Capable of Logical Reasoning
Fish and kindergarteners can logically infer.
Newsbrief: Snakes Steal From Toads and Eat Them Too
A snake steals toxins from the toads it eats.
Newsbrief: The Mama Mafia
Cowbirds lay their eggs in other birds nests and then retaliate if the foster parent doesn't take good care.
Newsbrief: Can't see the Tundra for the Trees
A study in Canada revealed that the tundra is shrinking in response to global warming.
Newsbrief: Sharks Dwindle; Shellfish Suffer
The sea is running out of sharks and that's bad news for shellfish.
Newsbrief: Good Eating
The amount of methylmercury in freshwater fish may be linked to how fast the water fleas are growing.














![$relatedvids[storys].alttext](imagecache/scifriseg060807_jpg_6ba94ca05db00a3ad19ddb7bae1197a2.jpg)
![$relatedvids[storys].alttext](imagecache/squirrelsnake-082307_jpg_ae178869b4815561263ffc91b14d1be7.jpg)
![$relatedvids[storys].alttext](imagecache/coral103007_jpg_4fd1d41f03dd989543d5ca82c8da40d4.jpg)
![$relatedvids[storys].alttext](imagecache/oyster-120707_jpg_9b8c1956a8d51df3b021d665395268fb.jpg)
![$relatedvids[storys].alttext](imagecache/snakerescue-121907_jpg_7e00acfd35998b3602bef46fcdf108b3.jpg)
![$relatedvids[storys].alttext](imagecache/sengi-020508_jpg_ff5d6ab5542dc8d0b110af2eba4d56cc.jpg)





