#Howto defend against excess #photons. Dark blue eats
  ultraviolet light. It eats it, and protects what's on the other
  side.#science
  [vine id = "MZmeYtDFEn0"]
  #Howto defend against excess #photons. Dark blue eats
  ultraviolet light. It eats it, and protects what's on the other
  side.#science