May 23rd, 2008 · Tiny tubes made of carbon atoms have been among the main ingredients of the nanotech revolution. But researchers have found that when injected into mice, nanotubes could behave in a way similar to the way asbestos fibers behave, forming lesions that lead to cancer.
Dec 15th, 2006 · With little known about the potential risks of certain nanoengineered materials, the city of Berkeley, CA voted this week on whether to regulate the manufacture and use of nanomaterials within the city limits. A discussion about the challenges that face the field of nanotechnology if it is to move forward safely.
Jan 11th, 2006 · A new report concludes that current laws and regulations aren't adequate to guard against potential environmental and health hazards from the tiny new products produced by nanotechnology.
Dec 31st, 2004 · Nanotechnology is the science of designing materials, atom by atom. It promises revolutionary applications for everything from the military to sports. NPR's David Kestenbaum investigates whether nanotech products already on the market are all they're cracked up to be.
Sep 17th, 2004 · We'll talk about the latest in nanotechnology -- tiny tubes and tiny wires that could have a big impact. We'll find out why scientists are excited about a vibrating tube of carbon, and how nanowires could be used to detect and identify viruses.
Sep 7th, 2004 · Today's high-fashion fabrics go beyond natural fibers like cotton and silk. High-tech microfibers and processes that make clothes spill-resistant are among fashion-changing trends. Leda Hartman reports for NPR's 2004 fashion series.