Lesson 2.2 - Sun October 10th, 2006 by Mr. M The English astronomer Richard C. Carrington made an important discovery that is related to our lesson...

Tropical Beginnings Science Now - By Dan Whipple. In the tropics, which wrap around swaths of nearly every continent, animal and plant diversity is abundant, and it declines as one moves toward the North and South poles.

AP - When the results of its latest survey came back, officials at the American Museum of Natural History were hardly astonished.