science

http://www.ncbi.nlm.nih.gov/pubmed/12659241?dopt=Abstract After 7 days of no ejaculations male testosterone levels hit a high peak.

http://www.pitt.edu/~jdnorton/teaching/HPS_0410/chapters/index.html Einstein for Everyone is a freely available accessible textbook on the work of Einstein.

http://www.youtube.com/watch?v=NETitFcUYHE See a giraffe give birth!

http://gps.alaska.edu/ronni/sendai2011.html Visualizations of the GPS data from the 2011 Japanese earthquakes. Pretty cool.

http://ed.fnal.gov/projects/scientists/index.html Children's drawings of scientists.

http://en.wikipedia.org/wiki/Radiotrophic_fungus Fungi which live off the radioactivity in Chernobyl's nuclear reactor have been discovered.

http://nuclear.ucdavis.edu/~tgutierr/files/stmL1.html The Standard Model of physics written as a single Lagrangian.

http://my.ilstu.edu/~jrcarter/ice/diurnal/extrude/ Forming tiny ribbons of ice by freezing water in pipes with a slit in them.

http://www.youtube.com/watch?v=Fl4L4M8m4d0 A parody of Bad Romance by the graduate student staff of a research lab.

http://en.wikipedia.org/wiki/Nahcolite The mineral of sodium bicarbonate is called Nahcolite. Get it?