Katie Gillespie

Did you know that hippos spend more then 16 hours a day in the water? A hippo's grunt can be as loud as a jet engine. Learn more about these fascinating animals in Meet the Hippo.

Mambas are venomous snakes found in Africa. There are four different species of mamba. Find out more in Mambas, one of the titles in The World of Snakes.

Did you know that lions sleep up to 21 hours in a day? Lions are the biggest cats in the world. Learn more about these fascinating animals in “Meet the Lion”.

Did you know that polar bears spend more time underwater than any other bear? Polar bears live in the Arctic where it is very cold. Learn these and other interesting facts in “A Polar Bear's World”.

Did you know that the gorilla is the biggest of all the apes? Gorillas live in the forests of Africa. Learn these and other interesting facts in “A Gorilla's World”.

A paintball gun is also known as a "marker." This is because these guns were originally used by ranchers and loggers to mark cattle and trees. Learn more about one of the world's most daring sports and the athletes who take part in it with Paintball, part of the Extreme Adrenaline series.

Do people call you trustworthy? Are you considered to be reliable? If this sounds familiar, you might be a Taurus.

Did you know that Passover has been celebrated for thousands of years? Passover is celebrated with a meal called a seder. Learn these and other fascinating facts in Passover.

Did you know that Venus is the hottest of all the planets? The tallest mountain in the solar system is on Mars. Discover these and more intriguing facts in “Planets”.

Did you know that rainbows are named after their shape? It takes millions of water droplets to make a rainbow. Discover these and more intriguing facts in “Rainbows”.