Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
You can start a fire with ice.
367
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Couples' personalities converge over time to make partners more and more similar.
235
One in five long-term love relationships began with one or both partners being involved with others.
177