What type of feed do horses need to maintain their health? Are oats and timothy hay necessary? These questions are answered and this comprehensive site discusses pasture grasses, silage, legume hays, and more.

Analyze caloric intake vs. caloric expenditure, understand the nutritional value of the explorer's meals, describe the trend in diet changes the explorers experienced and explain the physiological consequences these changes caused.

A very impressive photograph of the inside of a frog's mouth. No text.

This entry from Encyclopedia Britannica features Dick Gregory, an African-American comedian, civil rights activist, and spokesman for health issues, who became nationally recognized in the 1960s for a biting brand of comedy that attacked...

Explore the advent of corn as a nutritional staple in the human diet. Observe popping corn and measure differences in the mass of the corn before and after heating, and make pH indicators using fruit, flowers or vegetables.

Scientists inserted daffodil genes and other genetic material into ordinary rice to make this golden rice. The result is a strain of rice that provides vitamin A, a nutrient missing from the diets of many people who depend on rice as a...