A legendary seed bank in Russia - home to thousands of rare varieties of berries and fruits, including 1,000 kinds of strawberries - may be cleared to make way for luxury homes.
Nanotubes can be as carcinogenic as asbestos – but identifying the bad actors is challenging. A big limitation right now to their use is they are expensive.
In summer 2010, about half a billion eggs were recalled in the U.S. due to suspected salmonella contamination. Dr. William Schafner talks about egg safety.
Bacteria is eating a long undersea plume of oil in the Gulf of Mexico. The plume contains up to 20% of the oil spilled after the Deepwater Horizon blowout.
Scientists have discovered a connection between gut bacteria – the bacteria in our intestines - and multiple sclerosis, a disease of the brain and spinal cord.
Geothermal energy is being used in isolated places. To get more geothermal energy, he said, we’d need to drill deeper into Earth. Read more about it here.