Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The only letter not appearing on the Periodic Table is the letter "J".
180
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Your brain is 80% water.
525
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117