Shuttle Discovery: Final Flight Over DC

Shuttle Discovery: Final Flight Over DC

April 17, 2012—In its final journey to its permanent museum home, NASA's space shuttle Discovery makes a flyover above the U.S. capital. NASA coordinated with the U.S. Federal Aviation Administration to navigate through the restricted air space over Washington, D.C.

Watch & Listen: Elephants Protect Their Baby From Wild Dogs

Watch & Listen: Elephants Protect Their Baby From Wild Dogs

January 27, 2016 - A tourist captures footage of elephants loudly protecting a calf from a pack of African wild dogs at Ingwelala, a nature reserve in South Africa. The mother elephant and another adult from the herd fend off the dogs by charging and emitting three distinct vocalizations, some of which also serve as a call for help from other family members, which come to their aid. Read more about this story.

Portable Scanners "Read" Brains on the Go

Portable Scanners "Read" Brains on the Go

August 1, 2013—Though EEG (Electroencephalography) has been around for decades, now, new technology allows us to detect and measure brain activity with a lightweight headset and mobile phone. National Geographic Emerging Explorer and entrepreneur Tan Le demonstrates how her company's EEG headset and software can be used for a variety of research purposes.

Mars Rover's "Seven Minutes of Terror"

Mars Rover's "Seven Minutes of Terror"

July 31, 2012—NASA has planned one of the most complicated spacecraft landings ever attempted for the Curiosity rover's touchdown on August 6 at about 1:30 am. ET.The complex procedure involves the use of the largest supersonic parachute ever built and a "sky crane" to lower the rover onto the Martian surface. "If any one thing doesn't work just right," says one engineer, "it's game over!"

See How Easily a Rat Can Wriggle Up Your Toilet

See How Easily a Rat Can Wriggle Up Your Toilet

August 14, 2015 - A rat's ribs are hinged at the spine, enabling it to easily squeeze through the tightest spaces—like the pipes draining your toilet. And rats are great swimmers too; they can hold their breath for up to three minutes. See how quickly a rat can go from the city streets to your bathroom.Read more: Yes, Rats Can Swim Up Your Toilet. And It Gets Worse Than That.

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Big Cats Wild for Calvin Klein Cologne?

Big Cats Wild for Calvin Klein Cologne?

June 24, 2010—Wildlife Conservation Society researchers at the Bronx Zoo found that captive cheetahs were attracted to Calvin Klein's "Obsession for Men" fragrance. That and other scents were tested in the wild to see if big cats would approach camera traps used for behavioral studies.

Most High-Tech Ocean Observatory Opens

Most High-Tech Ocean Observatory Opens

December 10, 2009—Nearly 500 miles of data-transmitting cable will make Neptune Canada's new Pacific Ocean observatory the largest of its kind. Underwater cameras will also capture seafloor wildlife.