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 streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Diamonds mined in Brazil are harder than those found in Africa.
40
Wearing yellow makes you look bigger on camera; green, smaller.
222
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34