Go for a swim

http://www.toyfon.com/html/dc_maja.htm

Pictures of the moon and sun

A picture of the sun, taken with nutrinos, partly at night, RIGHT THROUGH THE EARTH.
http://cosmicvariance.com/2006/10/13/sun-shots/

A picture of muons from the glow of the night sky, with the moon casting a shadow.
http://en.wikipedia.org/wiki/Image:Moons_shodow_in_muons.gif

A critical analysis of Vernor Vinge’s Singularity

http://hanson.gmu.edu/vi.html

Dinosaur blood

Discovery of 75 million-year-old soft tissue inside a T. Rex thighbone!