SciFri Radio: Asteroid Heading Toward Mars
An asteroid has a 1-in-75 chance of hitting Mars in late January. Find out why astronomers are on the edge of their seats.
SciFri Radio: Space Rocks Auction
Pssst... wanna buy a space rock?
SciFri Radio: Ice Age Extinctions
One team of scientists thinks it knows what killed the woolly mammoth and other ice-age creatures.
![$quickies[stories].qimgtitle](images/cachedimages/bbbd0fba3db8c19701d629a92dac9962.jpg)
A new study by researchers at the University of Ottawa suggests that honey helps kill the bacteria that cause chronic sinusitis. Read more about the study.
![$quickies[stories].qimgtitle](images/cachedimages/899e9678025287ef7acc7b751de7496e.jpg)
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.
![$quickies[stories].qimgtitle](images/cachedimages/b8008c17c7ff5c69ebbbce2231c3b813.jpg)
Wary of vaccinations? SciFri guest, Paul Offit, says vaccines are probably more rigorously tested than anything else we consume. Listen to Dr. Offit.
![$quickies[stories].qimgtitle](images/cachedimages/5db244fa335fcc3d58465e8afac72a6e.jpg)
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.
Newsbrief: New Moon
The moon may not be as old as previously thought.
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!
We are the second most downloaded Podcast on NPR, of all NPR programs... (more)