A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape. "This caught our attention," Charles Black, the founder of the Earth and ...

Read more about these maps. Please be aware that wind gusts can be 40 percent stronger than the average wind speeds presented here, and stronger still in thunderstorms and squalls.

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.

It should be emphasized before starting that the Max/Min Method for estimating Wind Speed and Direction relies on a major simplifying assumption - that the wind is uniform in both speed and direction ...