Science of the Winter Olympic Games: Engineering Faster and Safer Bobsleds

submitted by: nsf

Michael Scully, of BMW DesignWorks USA, and mechanical engineer Mont Hubbard, professor emeritus at the University of California, Davis, explain the engineering challenges associated with making sleds faster and tracks safer.

Provided by the National Science Foundation & NBC Learn

Safer Nanoparticle Spotlight Tumors, Deliver Drugs

submitted by: ucsandiego

Small is promising when it comes to illuminating tiny tumors or precisely delivering drugs, but many worry about the safety of nano-scale materials. Now, a team of scientists has created miniscule flakes of silicon that glow brightly, last long enough to slowly release cancer drugs, then break down into harmless byproducts.