Duke University

Addressing the DNA Backlog

(PhysOrg.com) -- Valerie Neumann was drugged and raped in 2006, but the DNA her attacker left behind is still untested. Her case is not unusual.

Jul 13, 2010
3.7 / 5 (3) 0

Thousands of undiscovered plant species face extinction

Faced with threats such as habitat loss and climate change, thousands of rare flowering plant species worldwide may become extinct before scientists can even discover them, according to a paper published today by a trio of ...

Jul 07, 2010
not rated yet 0

Why mercury is more dangerous in oceans

Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans ...

Jun 27, 2010
5 / 5 (8) 0 | with audio podcast

Retooling the ocean conveyor belt

For decades, oceanographers have embraced the idea that Earth's ocean currents operate like a giant conveyor belt, overturning to continuously transport deep, cold polar waters toward the equator and warm equatorial surface ...

Jun 18, 2010
4.7 / 5 (6) 4 | with audio podcast