Food & Nutrition

Red Onion, Parsnips, Lettuce


14 images of some plants such as carrots, cabbage and leeks whose roots, stems or leaves are used for food
Gamma ray image of the Milky Way taken by NASA’s Fermi Gamma Ray Space Telescope (NASA)

Gamma Rays: Helper or Hazard?

Gamma rays might make you think of cancer, harmful radiation or superheroes. But gamma rays have lots of uses: food safety, manufacturing and even medicine!