World's smallest baby

Rumaisa (Roo-may-sa) Rahman, the smallest baby in the world, weighing 8.6 ounces (260 grams) – about the size of a cell phone. Rumaisa and her sister, Hiba, (Hee-bah) were born on Sept. 19, 2004, at Loyola University Medical Center at 25 weeks and six days of gestation by a caesarean section.

Smallest mobile phone in the world

This phone is new on the market but it’s already been named “The World’s Lightest Phone” by The Guinness Book of World Records. It weighs just over forty grams and has dimensions that are just 72 x 37 x 7.8 mm. In other words, the Modu Mobile is miniature.

The World's Smallest Country

Vatican City - 0.2 square miles - The world's smallest state, the Vatican has a population of 770, none of whom are permanent residents. The tiny country which surrounds St. Peter's Basilica is the spiritual center for the world's Roman Catholics (over 1 billion strong). Also known as the Holy See, Vatican City is surrounded by Rome, Italy.

The world's smallest frog

The smallest frog is the Brazilian Psyllophryne Didactyla, which is commonly referred to as the Gold Frog. As an adult the Gold Frog is only 9.8 millimeters with its legs drawn in, which is around 3/8 of an inch.

The World's Smallest Dog

At just four inches tall, "Boo-Boo", a diminutive dog in Raceland, Ky., just edged out another chihuahua to win the crown.

World's smallest snake

The world's smallest snake, averaging just 10cm (4 inches) and as thin as a spaghetti noodle, has been discovered on the Caribbean island of Barbados. The snake - named Leptotyphlops carlae - is the smallest of the 3,100 known snake species.