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Panda Pregnancy Watch Kicks Off At The National Zoo

It's time for the city's favorite guessing game: is the National Zoo's female panda pregnant?

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Why Mosquitoes Love Me, And Other Mysteries Revealed

Dr. Roger Nasci, a mosquito expert at the Centers for Disease Control and Prevention, says you don't necessarily need repellent with a high percentage of DEET to keep the 'skeeters away. Repellant still works well in low doses, and so far mosquitoes aren't growing resistant to it.
NPR

What's Swimming In The River? Just Look For DNA

Biologists have discovered they can track hard-to-see species in streams, ponds and even the ocean by sampling the water for DNA. Scientists say the technique is an important conservation tool: So far, it's been used to track declining giant salamanders and even locate a rare whale.
WAMU 88.5

Assateague Island Ponies To Make Annual Swim To Chincoteague

Some 150 of the wild ponies have been rounded up for the swim, which has taken place for the last 87 years.

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MUST-SEE VIDEO: 'Whales Almost Eat Divers'

Off the coast of central California over the weekend, two divers were in the water when a pair of humpback whales surfaced just feet away. The huge creatures were feeding on small fish and experts say the two divers are lucky they weren't injured.
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We Call Him Flipper. But What Do The Dolphins Call Him?

Dolphins, like humans, are part of complex social networks. And research now indicates that they use their unique whistle sounds to identify and communicate with each other. "Every time a dolphin heard its signature whistle, it called back, sometimes multiple times," one researcher says.
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Missing Lynx? Cat Is On 'Brink Of Extinction,' Study Says

The "world's most endangered feline species," the Iberian lynx, faces continued pressure because its prey is disappearing. Researchers say the cats need to be introduced to parts of the Iberian peninsula that are higher in altitude and latitude.
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Help! My Egg Yolks Are Freakishly White

If you think deep yellow yolks are an indicator of higher nutritional value in eggs, think again, scientists say. Egg yolks come in a rainbow of colors — from pale white to red orange or pink. They may look strange, but they're still good for you.
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Newly Discovered Dinosaur Sure Had One 'Supersize Schnoz'

"Nasutoceratops translates as 'big-nose horned face." Scientists don't know why this Triceratops relative had such a large nose. Take a gander at what they think it looked like.
NPR

Eavesdropping On Nature Gives Clues To Biodiversity

Biologists who study the lives of animals can learn a lot simply by listening to them. The problem is that natural sounds can be far easier to record than to analyze. So scientists are working to automate the process with automated systems that do the identifying for them.

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