Duke University researchers say they've created an experimental gel in the lab that's the first to match the strength and durability of real cartilage

Researchers propose a way of ensuring that genetic samples taken in the field for DNA fingerprinting arrive at the laboratory unaltered

Single "Off" switch dampens response of dozens of pain-promotion centers in mice

Next-generation brain implants with more than 1,000 electrodes can survive for more than six years

Stream insects and the bankside spiders that eat them carry potentially toxic selenium runoff from water to land