Natural preservatives on the rise

Beginning this year, Oscar Mayer stopped adding artificial preservatives to their hot dogs. Taking their place is celery juice, a natural source of the preservative sodium nitrite. This week Chemical & Engineering News (C&EN), ...

Team studies DNA preservation in mass disasters

To help identify victims after mass disasters, such as hurricanes, tsunamis, terrorist attacks, wars or acts of genocide, researchers at Sam Houston State University will investigate new techniques to preserve tissue samples ...

page 9 from 11