Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Balsa wood is classified as a hard wood!
41
Out of all the senses, smell is most closely linked to memory.
146
The average home creates more pollution than does the average car.
33
Scientists aren't sure what color dinosaurs were.
312
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The only letter not appearing on the Periodic Table is the letter "J".
180