Einstein's 1917 paper, "Cosmological Considerations in the General Theory of Relativity," applied general relativity to the universe as a whole, establishing a firmer basis for cosmology. To create a ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

Before going on, you should know–I hate math! My Algebra grade was in the high 90s, but geometry followed, and I barely passed. In my junior year, I was forced to take trigonometry. The only reason I ...

In the late 1980s, the Biosphere 2 project sealed a team of scientists inside a self-sustaining miniature world. Their goal was to see if a closed system could support human life, serving as a ...

The latest results of an international exam given to teenagers ranked the USA ninth in reading and 31st in math literacy out of 79 countries and economies. America has a smaller-than-average share of ...