Fact: Wimbledon tennis balls are kept at 68 degrees Fahrenheit
The temperature of tennis balls affects how the ball bounces. At warmer temperatures, the gas molecules inside the ball expand making the ball bounce higher. A tennis ball at lower temperatures causes the molecules to shrink and the ball bounces lower. To make sure the best tennis balls are used, Wimbledon goes through over 50,000 tennis balls. Next, find out the 11 genius ways that tennis balls can actually make your life better.

Fact: Bees can make colored honey
In France, there's a biogas plant that manages waste from a Mars chocolate factory, where M&Ms are made. Beekeepers nearby noticed that their bees were making "unnatural shades of green and blue" honey, reported BBC. A spokesperson from the British Beekeepers' Association predicted the bees eating the sugary M&M waste caused the colored honey.

Fact: Bananas glow blue under black lights
To the everyday eye under normal conditions, ripe bananas appear yellow due to organic pigments called carotenoids. When bananas ripen, chlorophyll begins to break down. This pigment is the element that makes bananas glow, or "fluoresce," under UV lights and appear blue.Fact: Thomas Edison is the reason you love cat videos

Thanks to Edison's invention of the Kinetograph in 1892, he was able to record and watch moving images for the first time. He filmed short clips in his studio named Black Maria. Some of his shorts feature famous people like Annie Oakley and Buffalo Bill, but the real stars are The Boxing Cats. Check out the video Edison captured of adorable cats in a boxing ring circa 1894.

Fact: Martin Luther King Jr. got a C in public speaking
Everyone remembers Dr. King as a leader of the Civil Rights Movement and often quotes his "I Have a Dream" speech that he delivered in 1963. However, over a decade before his legendary speech, while attending Crozer Theological Seminary in Pennsylvania, he earned a C in public speaking during his first and second term. Bad grades don't change anything about these 8 inspirational quotes from MLK.