Weekly facts! (Sorry about last week's - I was busy.)

1. Erosion at the base of Niagara Falls has caused the falls to recede approximately seven miles over the past 10,000 years.

2. The main library at Indiana University sinks over an inch a year. When it was designed engineers failed to take into account the weight of all the books that would occupy the building.

3. Every time you lick a stamp, you're consuming 1/10 of a calorie.

Read More