Solar still made of old tires purifies 15 cups of water per day

Scientists in Canada have demonstrated a promising new device that can purify a gallon of water a day, for just a few cents per gallon. Better yet, it’s made of old tires, and can even generate small amounts of electricity.Continue ReadingCategory: Env… Continue reading Solar still made of old tires purifies 15 cups of water per day

Now we know: Dogs can sniff trauma recollections on our breath

Two dogs in a small study were able to correctly identify what breath smelled like when it was linked to a memory of trauma. The finding might allow dogs to be even better friends when it comes to helping PTSD sufferers cope with their conditions.Conti… Continue reading Now we know: Dogs can sniff trauma recollections on our breath

A simple switch of tape could keep batteries from self-discharging

It never fails … you go to use a device that should be fully charged, but its battery has gone flat over time. Such may soon no longer be the case, however, if battery manufacturers simply start using a different type of adhesive tape.Continue ReadingC… Continue reading A simple switch of tape could keep batteries from self-discharging