Follow Your Nose
A man's sweat can change a woman's body chemistry.

Material Girls
Young female chimps were spotted making spears for hunting.

The Mama Mafia
Cowbirds lay their eggs in other birds nests and then retaliate if the foster parent doesn't take good care.

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

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.

Rods of Copper that Swim Like Fish
Shaking tiny copper rods causes them to swarm like living creatures. Physicists aren't exactly sure why.

Particles of Science

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Do Not Fear the Worm Bin

Wary of indoor composting? Don't be, says SciFri guest Deborah Martin, author of "The Complete Compost Gardening Guide." A healthy worm has a pleasant odor, she says! Listen.


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Healing Honey

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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Free the River

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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Vaccine Safety

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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Fountain of Youth for Yeast
Diet and gene modification make baker's yeast live ten times longer than its life expectancy. (2008-01-18)

One Crustacean: Many Powers
The most complex visual system in the animal kingdom belongs to an agressive crustacean. (2008-04-03)

Featured Video: Behold the 1000 Pound Pumpkin
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