I’m not a big “skull art” fan, but I dig this photograph of a wee butterfly (or is that a moth?) landing inside the eye socket of a human skull. The image, by photographer Marko Popadic, is called Oko (Polish for “eye”).
Largest structure in universe discovered, it's mind-boggling. Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretches 4 billion light-years from end to end.