At the NASA Ames Research Center in Mountain View, California, astronauts use a special exercise device to measure the effect of weightlessness on the human body during long space flights.

A painting showing doctors watching an autopsy to learn more about the human body.

Tak Wah Mak is a Canadian immunologist who discovered the gene for T-cell receptors in the human body's immune system. This discovery has played a crucial role in advancing autoimmune disease research. He explains his research here in...

This site has a collection of learning activities, games, experiments, and lesson plans on the five senses. Organized by grade level and topic, this site is packed with an assortment of interactive and engaging activities, that would...

This site has a collection of learning activities, games, experiments, and lesson plans on the five senses. Organized by grade level and topic, this site is packed with an assortment of interactive and engaging activities, that would...

This site has a collection of learning activities, games, experiments, and lesson plans on the five senses. Organized by grade level and topic, this site is packed with an assortment of interactive and engaging activities, that would...

Students explore the science behind thrill rides, including the physics of a roller coaster, human emotions, and physiological effects on the body. A related article is accessible through free registration.