It was Aristarchus of Samos (310BC -230 BC), who ironically lived after Aristotle (384 BC – 322 BC), who was the first person in recorded history to come up with the idea of a heliocentric system, centuries before the Polish canon, physician and astronomer Nicolaus Copernicus (1473-1543) wrote and posthumously published his seminal treatise, De Revolutionibus Orbium Coelestium (On the Revolutions of the Heavenly Spheres). Aristarchus' idea of a heliocentric model of the cosmos, unfortunately, just didn't take with the ancient Greeks.

The nutritional benefits of organic food have been called into question by new research which shows wild garden birds prefer conventional seed to that which has been organically grown.

Waltham, MA—More than 150 years ago, Darwin proposed the theory of universal common ancestry (UCA), linking all forms of life by a shared genetic heritage from single-celled microorganisms to humans. Until now, the theory that makes ladybugs, oak trees, champagne yeast and humans distant relatives has remained beyond the scope of a formal test.

There's no shortage of new theories about how kids help to learn better.   Unfortunately when it comes to kids and education, the only way to measure success is after the fact when it may already be too late.

Many people think a theory is just a wild guess that scientists use to explain how something works.  To scientists though, a theory is an explanation of the rules about nature.