The CD was designed so it could hold Beethoven's Ninth Symphony!

Norio Ohga was a japanese businessman that climbed up the ladder until he became the CEO of Sony. In 1982, when they were deciding the specifications for the Compact Disk, he insisted that the CD should be 12 centimeters in diameter. 

At 12 centimeters, the CD would be able to hold 75 minutes of music. Norio Ohga's reason for this is that he wanted a CD to be able to hold Beethoven's 9th in full. Ohga also predicted that CDs would soon replace record sales. It only took 5 years for his prediction to come true. 

(Source) 

Astronauts can see stars with their eyes closed!

Starting with Apollo 11, astronauts have reported that they saw frequent flashes of light, even when their eyes were closed. This was surprising, given that their cabin had low light conditions and was shielded from the outside.

The reason for this is that there are particles called "Cosmic Rays," that travel freely in space, but not get stopped by Earth's atmosphere. They're so small that they pass through eyelids easily and produce this effect. Scientists have 2 possible explanations for this phenomenon: One think that these particles (which are charged) cause the eye's vitreous humor to produce light. The other is that the flashes are caused by the cosmic rays hitting the retina directly. 

(Source) 

You can send a letter to Santa in Canada with the postal code H0H 0H0!

There was a growing number of letters addressed to Santa Claus in Canada. In 1974, the staff at the Canadian postage system decided to start answering letters by themselves, so that little kids wouldn't be upset that Santa didn't answer.

JFK bought 1,200 Cuban cigars days before it became illegal!

Since 1962, there has been a commercial embargo between the US and Cuba. This makes it illegal to sell in the US anything made on the island. Perhaps the most famous product affected by this are Cuban Cigars. Cubans are famously good and considered to be superior over other cigars. 

A former aide to President Kennedy has said that the president ordered him to buy 1,000 cigars a few days before the embargo came into effect. He later returned with 1,201 Petit H. Upmann cigars, JFKs favorite brand.

(Source)  

James Bond has killed over 150 men and slept with 44 women so far!

This is since James Bond's creation in 1962. 3/4 of the women he's slept with have tried to kill him! Funnily enough, James Bond's favorite drink, the Martini (shaken, not stirred) contains about 130 calories, which is about how much he burns when having sex!

(Source)