Man builds his own bionic hand out of melted plastic bottles
After creating a bionic hand for himself, Peruvian engineer Enzo Romero launched a company to sell the low-cost prosthetics to others.
Stanford scientists can control specific brain cells at a distance
Using infrared light and a Nobel Prize-winning molecule that detects chili pepper heat, researchers can control brain cells from a distance.
New $5-device allows healthy sperm cells to isolate themselves
About 10% of men are infertile, and often their sperm is to blame. This device could help separate the healthy cells from the others.
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