If you get water flowing fast enough, it can cut metal.
354
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
The number of text messages sent and received in a given day is greater than the world's population.
198