400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you...

More than a century after first emerging into the fogbound, gaslit streets of Victorian London, Sherlock Holmes is universally recognizable. And yet many of his most recognizable features don't appear in Arthur Conan Doyle's original...

European explorers like Columbus, Cartier, and Hudson claimed territories in the Americas for Spain, France, and the Netherlands, leading to European expansion at the expense of indigenous communities.

Bird strike on airplanes is one of the most biggest causes of concern for the airline industry and military. When a bird or a flock of birds hits an airplane, the plane may sustain some serious damage which can have disastrous...

Dr. Forrester explores various mountains, bays, lakes, and rivers that make the United States of America beautiful.

New York City | Geography of Major World Cities

English Exploration of the New World investigates the English exploration of the New World by researching details of travel and motivations.

Bird strike on airplanes is one of the most biggest causes of concern for the airline industry and military. When a bird or a flock of birds hits an airplane, the plane may sustain some serious damage which can have disastrous...

In this video, the teacher explains how to compare positive and negative numbers in real-world situations using a number line. The examples given involve debts and amounts of money owed by different individuals. The teacher emphasizes...

Learn HOW to study American English pronunciation in this video where we study the text together -- a Ben Franklin Exercise. You'll study word stress, Stop T's, the reduction of AND and TO, and other great topic to improve your spoken...

If you want to know how to learn English conversation, improve your English comprehension, think in English, speak faster and stop translating in your head this video is just for you! English conversation practice is the best way to move...

As far as birds go, the hoatzin is really doing its own thing. It's a picky eater, an evolutionary mystery, and its babies have a super bizarre adaptation that might not be as uncommon as you'd think.

Hear from the developer behind Hudson Yards in a discussion about the challenges and opportunities in creating new urban neighborhoods and communities.