Science

Those that know, do. Those that understand, teach. - Aristotle Aristotle's quote directly contradicts the old saying "Those who can, do. Those who can't, teach.&quo... 05/03/2007

Trying to determine what is going on in the world by reading newspapers is like trying to tell the time by watching the second hand of a clock. 05/01/2008

Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be. - William Hazlitt T... 04/06/2007

Nobody made a greater mistake than he who did nothing because he could do only a little. - Edmund Burke, statesman and writer (1729-1797) "I don't vote because my one v... 04/06/2007

"When the first human being began to write, he or she set the world upon a new evolution. Similarly, if a few individuals have the strength and the power to walk way from t... 04/03/2007

By fusion two or more atomic nuclei, protons or neutrons fuse together to form a new atomic nucleus. The new nucleus is held together by the strong forces between the heavy part... 11/06/2007

If someone granted you one wish, what do you imagine you would want out of life that you haven't gotten yet? For many people, it would be self-improvement and knowledge. New kno... 11/05/2007

Our adult body is composed of miniature cells, millions and billions of them. Each cell contains the identical copy of a relatively very long nucleopolymer molecule, divided int... 11/03/2007

Do you think batteries are a new thing? How long do you think they have been around? One hundred years? Two hundred? More? 10/28/2007

Senses are the physiological methods of perception. The senses and their operation, classification, and theory are overlapping topics studied by a variety of fields. Sense is a... 10/26/2007

What is your type of relationship with partner? Find out! 10/22/2008

Testosterone Testosterone is a hormone produced primarily in men's testes. The adrenal glands of both men and women also produce small amounts of testosterone. [1] In men, t... 01/12/2007

Judging from the social habits of man as he now exists, and from most savages being polygamists, the most probable view is that primeval man aboriginally lived in small communit... 11/05/2008

If human existence were as long as two copies of this book, for all but the last page of the second book—10,000 years—humans lived in small bands of hunter-gatherers... 01/12/2007

Women with high reproductive value attract men. 19-year-old women are likely to produce the greatest number of children—twice as many as 30-year-old women. Teenage boys, on aver... 10/06/2008