30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
20252 is Smokey the Bear's own zip code.
35
Seaweed can grow up to 12 inches per day!
59
In many countries, urine was used as a detergent for washing.
17
A sneeze travels out your mouth at over 100 m.p.h.!
29
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26