In a year, your heart can beat up to 40,000,000 times!. See more

The right lung is slightly larger than the left. See more

You will have to walk 80 kilometers for your legs to equal the amount of exercise your eyes get daily. See more

It takes 8 minutes for sunlight to travel from the sun to the earth. See more

Lightning bolts can sometimes be hotter than the sun (about 50,000 ºF, 27,760 ºC). See more

Most marine fish can survive in a tank filled with human blood. See more

The 'save' icon on Microsoft Word shows a floppy disk, with the shutter on backwards. See more

As much as 80% of microwaves from mobile phones are absorbed by your head! See more

The magnetic North Pole shifts by about 7 meters a day. See more