Researchers have reversed paralysis in dogs after injecting them with cells grown from their nose lining. The dogs had all suffered spinal injuries preventing the use of their back legs. The study is the first to test the transplant in...

Researching bacterial and algae samples in a petri dish to see how they protect themselves from extreme UV exposure (NTSC PAL 4x3 Anamorphic; H264 MPEG4 16x9 Square)