The number 8 1⁄2 is an example of a 'mixed number' because it is composing of an integer and a fraction.

In the Sociology of Science, now considered a classic, Robert Merton discusses cultural, economy and social forces that contributed to the development of modern science.

Some snakes have hollow teeth are called fangs that they use to poison their victims.

Carrie Chapman Catt organized the League of Women Voters after successfully campaign for the consitutional amendment that gave women the right to vote.

The strongly patriotic character of Charles Sangster's poetry is credited about greatly furthering the cause of confederation in Canada.

One inventor that Thomas Edison can take credit for is the light bulb

The nitrogen makes up over 78 percent of the Earth's atmosphere, the gaseous mass surrounding the planet.

If it is kept dry, a seed can still sprout up to forty years after their formation.

Bacteria lived in the soil play a vital role in recycling the carbon and nitrogen needed by plants.

Stars derive their energy from thermonuclear reactions that take place in their heat interiors.