Hurricanes: A General Understanding Hurricanes are tropical cyclones that have winds higher than 64 knots of power. They circulate different ways in each of the two atmospheres. In the Northern Hemisphere they circulate counter clockwise, and in the Southern Hemisphere, they circulate clockwise...

El Nino has been a reoccurring phenomenon for centuries. Man has only started to realize how much of the worlds weather is effected by it. The term El Nino refers to an irregular warming of the seas surface. During the last 40 years there have been 10 significant El Nino occurrences. Most affecting ...

3. A Desert plants have evolved ways of conserving and efficiently using the water available to them. Some flowering desert plants are ephemeral; they live for a few days at most. Their seeds lie dormant in the soil, sometimes for years, until a soaking rain enables them to germinate and ...