Venom is a powerful substance used by many creatures on this planet, but how does it work? What purpose does it serve? The good folks at NOVA have crafted this fine documentary on venom in order to "track down and...
Farmers and rivers have a close, though not always friendly, relationship with one another. Rivers can create prized farmland, but they also flood fields and the communities built alongside them. Farming practices may...
Until recently, people living in a volcano's shadow had little help in predicting eruptions. In the past 300 years, volcanic eruptions, most of them unexpected, have killed more than 250,000 people. In 2000, experts...
Galileo used thought experiments to test many assumptions, including the notion that heavy objects fall more quickly than lighter objects when they are dropped. Lacking access to either a vacuum chamber or a planetary...
Galileo pioneered astronomy as the first person to study the celestial objects through a telescope. His observations, including the discovery of moons around Jupiter, helped revolutionize the way people thought about...
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