Exploiting a principle that Einstein derided as "spooky action at a distance," physicists claim to have devised a machine that generates genuinely random numbers. Read more...
You can actually buy owl pellets to do this as a practical. Nonetheless this a good alternative; a nice way to learn the names of the bones too. Here is the link:
Can you believe this much water is needed to make a burger? This interactive display from National Geographic (this month's issue is all about water) allows you to compare products too. Perhaps we will think about the food we throw away at lunchtime?
I am a big fan of things which blur the lines drawn between Art and Science. Tom Shannon's mixed-material sculpture seems to levitate -- often it actually does -- thanks to powerful magnets and clever arrangements of suspension wire. I would love to do this as an ECA at school!
Watch the video about schools in Finland having the shortest number of hours but some of the best results. Plus they don't even start until around 7 years old. Two things: #1 I want to be a teacher there, #2 I would have loved to go there as a student. Oh well, we can only dream.......