
Can't see the Tundra for the Trees
A study in Canada revealed that the tundra is shrinking in response to global warming.

Strange Relations
A tiny grass family turns out to be an ancient flower lineage.

Sharks Dwindle; Shellfish Suffer
The sea is running out of sharks and that's bad news for shellfish.

Leech On Me
A 200-year-old controversy is put to rest: Genetic tests show that FDA-approved leech is not one species, but three.

A Human Shield--for Moose
Moose are birthing babies closer and closer to the road.

Lousey Death
Pink salmon populations are careening towards collapse--but this time fishing isn't the cause.
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A new study by researchers at the University of Ottawa suggests that honey helps kill the bacteria that cause chronic sinusitis. Read more about the study.
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SciFri guest Ivor van Heerden says that perhaps the best thing we can do to protect coastal Louisiana against hurricanes is to let the river run wild. Listen to van Heerden. This allows new wetlands to be created, which can reduce wave energy significantly.
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Wary of vaccinations? SciFri guest, Paul Offit, says vaccines are probably more rigorously tested than anything else we consume. Listen to Dr. Offit.
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SciFri guest Aaron Rowe explains the advantages of smaller spacecraft: Listen. Find out about a new development in the micro craft design--a material that can change color depending on whether the craft is in sun or shadow to reflect or absorb light. Listen to Rowe.
A Thicker Skin--for Snails
Snails bulk up their shells in response to predators. What triggers the process? (2008-06-10)
Trouble in the Tropics
Tropical species may be at greatest risk for extinction due to climate change. (2008-09-04)
Our Podcasts: Reaching New Heights -- Our SciFri podcasts have reached a new peak: 250,000 downloads each! That makes for about a million downloads per month, over 10 milion per year!
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