Bill Gates funds new machine that filters toilet waste into drinkable water

“Scaffold” device will capture and clean waterToilet water “wont be mineral water” but safe to drinkCould save millions of lives in the third world

Sense of touch could be thanks to "hair follicles in our skin"

Sense of touch could be thanks to “hair follicles in our skin” Rough with the smooth: Our sense of touch may actually be down to our hair follicles Our sense of touch could be down to hair follicles in our skin, scientists say. Touch is the least understood of our senses, but new research suggests specialised neurons in hair follicles each work as individual sensory organs, tuned to register different types of touch. In mice, the team found that each follicle sends a single message that joins with others in the spinal cord and together the impulses are decoded by the brain