This Week: Reading magma, predicting giant eruptions
In the News: U.S. unemployment down for 5th straight month!
Alpine Iceman’s home range is detailed through isotopic analysis. How did he make a living 5k years ago?
Are software filters for the Internet censorship — or common sense? How do filters work? We take a filter for a test drive and ask, what are the intellectual stakes?
Space shuttle Columbia has crashed, raising questions about research on the space shuttle and the International Space Station. Should we do space science by robots or manned vehicles?
As New York City decides about the World Trade Center site, we discuss the significance of a city skyline.
Suspect arrested, may be charged with trying to develop a dirty bomb. What is a dirty bomb, and how badly would it harm us?
A Beautiful Mind raises the issue: How are mathematicians and scientists portrayed in movies and film? We dig white coats on silver screens.
Airbus crashes in New York — composite material fails and tail fin falls off. Why are composites (usually) so strong? How are they used in roads, bikes and planes?
Harry Potters’ guide to science of amphibians, witches and asthma.
Will terrorists use biological weapons? How have bio-weapons been used in the past?
Treating cow manure with carbonate reduces threat from dangerous E. coli bacteria. Should this treatment be used more widely?