USDA Department of Agriculture
![USDA Department of Agriculture](/images/WritersImages/ACF1EF.jpg)
Science Facts Written by USDA Department of Agriculture
Science
Inventor: George Washington Carver
George Washington Carver, born a slave in 1864 (approximately), contributed significantly to agricultural research. Although he was orphaned as an infant, endured hardship in pursuit of his education, ... Continue reading
![](/images/FactsImages/carver01.jpg)
Biology
Nematodes Are Everywhere
Nematodes are simple worms consisting of an elongate stomach and reproduction system inside a resistant outer cuticle (outer skin). Most nematodes are so small, between 400 micrometers to 5 mm long, ... Continue reading
![Soybean cyst nematode female (large lemon-shaped) with egg mass. Eggs are also retained inside the female body, which becomes a resistant structure capable of surviving harsh environmental conditions for several years. The diameter of the mature female is approximately 300 micrometers.](/images/FactsImages/scn-eggs.jpg)