Have you ever wondered why some foods taste better on a plane, or why a small stone seems to weigh more than another, larger one, even though they weigh the same? What we experience is based on a much ...

Science is ignited by the quest for knowledge and the longing to understand mysteries beyond our grasp. Through our senses ...

Your brain can play tricks on you with colors. Learn what red, blue and yellow can do to your appetite. Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone, Apple ...

Before you submit an error, please consult our Video Help page. Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, ...

Find out more about the extraordinary senses of some animals. Some animals have more than five senses or have stronger senses than humans. How do these special skills help them survive?