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Elusive 'Corpse' Flower Readies for Collapse

An estimated 120,000 people have viewed the giant "corpse flower" since it bloomed Sunday at the U.S. Botanic Garden. Photo by Justin Scuiletti. WASHINGTON -- On Sunday, after stubbornly staying...

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Science 'Classroom Without Walls' Replete with Snapping Turtles, Snakes

Eighth grade teacher Darrell Walker routinely teaches his science class in the wetlands behind their North Carolina middle school. Video by Rebecca Jacobson "Snake! Snake!" an eighth-grade student...

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Shooting One Owl to Save Another

The spotted owl, which dwells in old growth forests, is facing extinction from habitat loss and threats from its cousin, the barred owl. Photo by William F. Campbell/Time Life Pictures/Getty Images....

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A Look Into a River's Past

California has funded scientists from the San Francisco Estuary Institute to reconstruct an image of the San Joaquin Delta’s pre-Spanish landscape. They layer navigational charts, government land...

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Oceans Rise With Every Liter of Fuel Burned, Study Warns

A new analysis released today in the journal Proceedings of the National Academy of Sciences includes these mind-numbing statistics: One single liter of petroleum gas burned may add 647 liters of sea...

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Unlocking the Secrets of a Swimmer's Scourge, the Jellyfish Sting

Updated: August 1 | On the morning of July 29, 1997, while swimming off the shore of Waikiki, a throng of box jellyfish stung Angel Yanagihara along her neck, arms and ankles. She swam back to shore...

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Researchers Steer Off Course to Show Potential Power of 'GPS Spoofing'

Watch Video | Listen to the AudioJEFFREY BROWN: And finally tonight, new research that could lead us all in a different direction. In June, a 213-foot luxury yacht sailed off the southern coast of...

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Mars Rover Mission Team Celebrates First Birthday

The Mars Curiosity Rover team celebrates on Aug. 5, 2012, inside the spaceflight operations facility at the Jet Propulsion Laboratory as the first pictures appear on screen after a successful landing...

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How the World's 'Most Biodiverse Place' Could Be Ransomed for Oil Money

Huaorani Indians in Yasuni National Park carry the bushmeat they've killed with their blowgun -- including three howler monkeys and one coati. Photo by Danita Delimont via Getty Images. Editor's note:...

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Ancient, Slippery, Enormous Snot Otters: Looking for Hellbender Salamanders

Hellbender salamanders are as old as the dinosaurs, but scientists know very little about these ancient amphibians. Scientists need to know how many live in the Midwest and Appalachian regions of the...

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Rustling River Monsters for Science

Matt Neff from the Smithsonian's National Zoo holds a hellbender salamander that he caught in the Blue Ridge mountains of Virginia. Scientists hope to learn how healthy and viable the population is....

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12 Facts About Hellbender Salamanders

List compiled by Rebecca Jacobson. Read our full Science Wednesday report. They have lungs, but they breathe completely through pores in their skin. Their name Cryptobranchus means "secret gill." They...

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Henrietta Lacks''Immortal' Impact on Research Now Extends to Patient Consent

Watch Video | Listen to the AudioGWEN IFILL: Now: the living legacy of one woman's DNA. Margaret Warner has the story. MARGARET WARNER: In 1951, a poor African-American woman in Maryland became an...

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Do Apps That Advertise Learning Make Your Baby Smarter? Advocacy Group Says No

Watch Video | Listen to the AudioJEFFREY BROWN: Finally tonight, the latest thing in child-raising and technology, so-called baby apps, software products that light up mobile device screens to keep...

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Is Poison Ivy Getting Nastier?

The shiny three leaves of poison ivy. Photo by Susan Biddle/The Washington Post/Getty Images. Ahh, summertime. A long wilderness hike followed by a refreshing swim in the river followed by -- music...

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Till Now, a Case of Mistaken Identity for Elusive Olinguito, World's New Mammal

Watch Video | Listen to the AudioJEFFREY BROWN: And to the story of something furry, carnivorous and just discovered. It's a brand-new species of mammal unveiled today in Washington by scientists at...

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Time Runs Out for Telescope, Examining Kepler's Contribution to Space Research

Watch Video | Listen to the AudioJUDY WOODRUFF: The U.S. space agency confirmed yesterday that its renowned Kepler telescope is beyond repair, a big blow in its search for planets. The Kepler was...

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Facing Budget Battles, NASA Still Aims High With Asteroid Capture Mission

Watch Video | Listen to the AudioJUDY WOODRUFF: Now: the future of the U.S. space program and the many questions surrounding it, the mission, the money, and the politics. More than two years ago, space...

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Transforming Data With Whimsical and Practical Inventions at Ingenuity

Watch Video Editor's note | Starting Sept. 7, the PBS NewsHour is expanding its family, adding a "PBS NewsHour Weekend" newscast on Saturdays and Sundays. The 30-minute show will be anchored by...

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Tatooine, Vulcan and Other Incredible Planets NASA's Kepler Found Beyond Earth

Artist's rendition of the Kepler telescope. Courtesy: NASA/Kepler mission/Wendy Stenzel Last week, scientists announced that after four years of surveying a strip of the Milky Way galaxy, the Kepler...

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