Watch Live: April the Giraffe Slowing Down, Belly Growth ‘Mind Blowing’

What Does SPF Really Mean?

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Meteorologist Joe Snedeker asks what does SPF really mean?  Is there a difference between the different types of sunscreens? Find out in this week's Wham Cam.

  • Wham Cam: Albedo?

  • Wham Cam: Speed of Light?

  • Wham Cam: Sun or Moon Appears Bigger from Earth?

  • Wham Cam: Wind Chill?

  • Wham Cam: Solstice?

  • Wham Cam: The Best of 2016?

  • Wham Cam: More Chickens or More People?

  • Wham Cam: Cologne?

  • Wham Cam: Red Barns?

  • Wham Cam: February?

  • Wham Cam: Poinsettia?

  • Wham Cam: Redheads?

  • Wham Cam: Bluetooth?