Engineers design a home urine test that could scan for diseases

There's a good reason your doctor asks for a urine sample at your annual checkup. A simple, color-changing paper test, dipped into the specimen, can measure levels of glucose, blood, protein and other chemicals, which in ...

Where do astronauts go when they need 'to go?'

Alan Shepard became the first American to fly in space on May 5, 1961. Although NASA engineers had put considerable planning into his mission, dubbed Freedom 7, noticeably missing from this extensive preparation was a way ...

Biofuel from human urine

Micro-algae can grow on undiluted human urine. This offers opportunities for new water purification methods and perhaps even for converting urine into usable chemical substances and biofuels.

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