Fun Fact: The Asian part of Russia is known as Siberia. However, in terms of population, the situation is reversed: Roughly three out of four Russians live in the European part of the country and just one out of four live in the Asian part. Europe and Asia actually share a single landmass, which is known as Eurasia.

Fun Fact: The capybara is the world's largest living rodent. Capybaras are proficient swimmers, swimming with only their nostrils, eyes, and ears above the surface. They are also known to swim underwater, sometimes for considerable distances.

Fun Fact: There are no wild kangaroos, but there are wild, non-native wallabies in a few places in New Zealand, Kawau Island is the best known but they also are found in the central North Islands around Lake Tarawera and near Oamaru in the South Island.

Fun Fact: Lake Tahoe is the second deepest lake in the United States and the tenth deepest in the world, with a maximum depth measured at 1,645 ft (501 m), average depth of 1,000 ft (305 m). Crater Lake in Oregon is the deepest lake (1,949 ft or 594 m) in the United States.

Fun Fact: The foggiest place in the world is the Grand Banks off the island of Newfoundland, the meeting place of the cold Labrador Current from the north and the much warmer Gulf Stream from the south.

Fun Fact: Papua New Guinea has the highest number of spoken languages in the world. There are 820 indigenous languages spoken in this country. The official language is Tok Pisin, or New Guinea Pidgin, and is the most widely spoken language after English, a legacy of the colonial period.

Fun Fact: There are approximately 19 billion chickens in the world. That's almost three per person.

Fun Fact: The normal muscle mass percentage on the body weight lies between 38% and 54% for men and between 28% and 39% for women depending on age and physical activity level.

Fun Fact: Cow's teeth are different from ours. On the top front, cows have a tough pad of skin instead of teeth. They have 8 incisors on the bottom front and 6 strong molars on the top and bottom of each side to grind their food. Cows have a total of 32 teeth.

Fun Fact: Pandas are in the Family Ursidae, and are considered true bears. There seems to be some misinformation floating around the web that pandas are more closely related to raccoons than bears. Although scientists first thought this was the case, it is not considered true anymore.