A year is a leap year if it's divisible by 4, also it has to be divisible by 400 if it's a centurial year.
This explains why the year 2000 was a leap year & 1700, 1800 and 1900 were not.
Alligators give birth to females in cold temperatures and males in hot conditions.
To avoid predators, a mother slow loris licks its offspring with poison before sending them off to search for food.
You can figure out which direction is south if you are near to a tree stump. The growth rings are wider on the south side.
The giant burrowing frog doesn’t croak. It hoots like an owl.
The electric eel of South America can generate up to 600 volts.
N.I C.A.M -Near Instantaneous Compounded Audio Mechanism was invented by the BBC boffins to give much better sound.
Young Musician of the Year in the 1980's: one of the winners was Emma Johnson, a clarinetist and the jazz saxophonist John Dankworth was so impressed he wrote a song called A Song for Emma just for her.
When pop star B.A. Robertson appeared on Multi-coloured Swap Shop in the 80's he used to come on and say "Hey there, it's me B.A. I'm on the Swappy!"
Newsround is the longest running children's news programme in the world starting off in 1972 as John Craven's Newsround and a lot of stories were filed by a lot of the senior BBC reporters. Many young reporters on Newsround went on to the main news later. Younger reporters were called Newsround Newshounds.
60% of American adults experience sleep problems at some time.
Thirty-five percent of the people who use personal ads for dating are already married.
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.