1.) The newest accessory for the elderly: the Portuguese "smart hip."
2.) A tougher, lighter coating for aircraft, inspired by snail shells.
3.) Seven European nations say the "NoMix" toilet prevents a load of environmental hassle.
4.) Rescue workers can prevent brain damage with new RhinoChill cooling nasal spray.
5.) The international symbol for the power button is now the logo for free New York City condoms.
This post was originally published on Smartplanet.com