History is the only way to find out the past and predict the future. This is why one of the most exciting and thrilling jobs in the world is archaeology, where you dive deep into the layers of the ...

A new survey of the dimensions and orientation of ancient Egypt’s Great Pyramid of Giza has found that its builders attained a remarkable degree of accuracy despite limited technology. The ...

As far as taking care of my body goes, I'm not exactly low maintenance. I regularly lift weights and try to get in pilates when I can, and I aim to eat a balanced diet. But in spite of this, I still ...

Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.