Levitating Frogs 'n' such . . . (originally from Mysteries of the Multiverse)
Floaty Stuff:
Frogs Levitate in a Strong Enough Magnetic Field
Shocking Stuff:
A Bolt of Lightning has Enough Energy to Toast 100,000 Slices of Bread
Sticky Stuff:
You Could Hang 40KG from a Gecko and it Wouldn't Fall off the Ceiling
Heavy Stuff:
You've got One Ton of Air Pressing Down on you
Apollo Stuff:
Your Car has more Computing Power than the System that Guided Astronauts to the Moon
Astro Stuff:
If You Hold Up a Grain of Sand, the Patch of Sky it Covers Contains 10,000 Galaxies
Could not access HZ yesterday, so I looked around a bit. http://www.physics.org is a really nice place to visit.