Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Recycling one glass jar, saves enough energy to watch T.V for 3 hours!
118
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
The WD in WD-40 stands for Water Displacer.
30
Like fingerprints, everyone's tongue print is different.
250
There are over 16,251 full-service restaurants in the vicinity of NYC. You could visit one every day for 40 years and still not have visited them all. This excludes counter service restaurants and cafeterias.
5