More people are playing roller derby. Here's what that might mean for foot health
Popularized in the 2009 Drew Barrymore film, Whip It, roller derby is one of the fastest growing sports for women worldwide—particularly in the US.
Polyurethane with shape memory change from foil to foam when heated
Researchers at the Fraunhofer Institute for Applied Polymer Research IAP have developed a foil that changes into polyurethane foam (PU foam) when heated—entirely without health risks. The foil allows ...