Huge GC, but they have updated a few.
Today I learned that crabs and lobsters have blue blood because they use copper, not iron, to transport oxygen around their bodies – this is also why they get tired first when we chase them.
www.periodicvideos.com/videos/029.htm
I also learned that Stontium90 is in all out bones and teeth due to nuclear bomb testing and nuclear power stations.
www.periodicvideos.com/videos/038.htm
Happy new year!
(, Thu 1 Jan 2009, 13:14, Reply)
a month or so ago, but forgot to /link them. Top stuff :)
(, Thu 1 Jan 2009, 14:49, Reply)
(, Thu 1 Jan 2009, 16:36, Reply)