The thigh bone. In an adult it is about twenty inches long.

An important development in the history of education was the spread of gas lighting in the early 1800s. This followed the invention of coal gas by the British engineer, William Murdock, in 1792. Gas lights were much brighter than oil lamps. They illuminated whole rooms adequately at night and evening classes sprang up. As education for most people at this …

Kiki Smith (born January 18, 1954, in Nuremberg, Germany) is an American artist classified as a feminist artist, a movement with beginnings in the 20th century. Her Body Art is imbued with political significance, undermining the traditional erotic representations of women by male artists, and often exposes the inner biological systems of females as a metaphor for hidden social issues. …

With a little training, we can all swim underwater as freely as a fish. All we need is an aqualung, which consists of portable breathing equipment carried by the diver. The aqualung supplied air naturally as the diver breathes in and out. Wearing froglike fins, aqualung divers can swim quickly with little effort. Before the aqualung was developed, divers had …

Have a firm handshake. Look people in the eye. Sing in the shower. Own a great stereo system. If in a fight, hit first and hit hard. Keep secrets. Never give up on anybody. Miracles happen everyday. Always accept an outstretched hand. Be brave. Even if you’re not, pretend to be. No one can tell the difference. Whistle. Avoid sarcastic …

Kieron Pollard — Kieron Adrian Pollard (born 12 May 1987) is an international cricketer who plays for the West Indies. An aggressive all-rounder, Pollard provides medium-fast pace bowling and big-hitting from the middle-order. After shining during the 2009 Champions League Twenty20, he was signed by both the Southern Redbacks and Somerset for their domestic Twenty20 campaigns. He was the joint …

The wild goldfish is a very common fish from China, usually green or brown in colour. About a thousands years ago the Chinese noticed that red forms of the wild goldfish occasionally appeared. They started to keep these more attractive forms in ponds and bowls and managed to breed them. Since then goldfishes have always been popular as pets and …

The sun we see everyday is just one of the thousands of stars we see at night. Such a huge collection of stars is called a galaxy. And the stars we see belong to a galaxy called the Milky Way. There are millions of galaxies in the sky, most of whom are hidden from our view. However, there are some …

Khazan Singh — Khazan Singh Tokas is one of the most outstanding swimmers India has ever produced. Born on 6 May 1964, in a small village of Munirka in Delhi, Khazan Singh stands tall in a sport, where mediocrity has been the byword for Indian sportspeople. He made a sensational debut in competitive swimming, when he bagged five gold medals …

The animal kingdom is divided into those animals which have backbones, vertebrates, and those animals which do not have backbones, invertebrates. In terms of the numbers of animals which have ever lived throughout the history of the Earth, the invertebrates are much more common. Many invertebrates had external shells made of chalk-like materials to protect them. Others had internal skeletons …