June 30, 2011 For years, the New Zealand kakapo had no need to fly — the bird's only predators were in the sky — but then came human settlers and, with them, an invasive weasel-like predator. Author William Stolzenburg explores exotic island species' vulnerability to newcomers in Rat Island.
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June 29, 2011 On the corner of 53rd and Second Avenue, in the summer of 1955, a store owner grabbed his fishing pole ... and headed downstairs. His goal? To fish the dark waters of a subterranean stream.
June 25, 2011 One day, a swarm of bees descended on Bill Turnbull's house outside of London. While the British talk show host huddled inside, a man came with an empty shoebox, enticed the bees inside, topped the lid on the box and strolled off. Bill Turnbull was enthralled and hooked. Host Scott Simon talks with Turnbull about his new book, Confessions of a Bad Beekeeper: What Not to Do When Keeping Bees.
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In central Idaho, local hostility to wolves expresses itself on signs along the highway. Many residents don't like the wolves because the animals kill elk, livestock and pets.
June 23, 2011 Congress removed the gray wolf from federal protection last month. Many locals and some conservationists in the Mountain West agree the delisting may not be the worst thing.
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Mighty Mouse? Male Alston's mice use high-frequency songs to entice females.
Bret Pasch/University of Florida
June 20, 2011 Like birds and whales, some male mice make sounds akin to singing to attract females. "The more we search, the more we find that rodents and other small mammals produce vocalizations," one researcher says. Fish also "sing" to influence a female's behavior.
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June 19, 2011 Bill Haast, a pioneering snake expert, died this past week at the age of 100. He was director of the Miami Serpentarium Laboratories, where he extracted venom from the world's most poisonous snakes for use in medical research. Guest host Jacki Lyden has a remembrance.
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June 12, 2011 In the 1990s, the government set aside millions of acres of forest to protect spotted owls, but their numbers continue to decline. Biologists believe that's due to an invasion of barred owls. Now, officials plan to eliminate barred owls from a few study areas to see if the spotted owls return.
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June 11, 2011 The city's policy for dealing with its huge raccoon population? Leave them alone. One behavioral psychologist says that by giving them bigger challenges to get to food, humans are shaping uber-raccoons better able to compete in an urban environment.
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A female mosquito acquires a blood meal. This species, Aedes aegypti, carries and transmits the dengue fever virus.
June 9, 2011 Dengue fever has returned to Iquitos, Peru. Researchers are studying the disease's migration by tracking mosquitoes and taking health surveys of the community. They're hoping the city-size experiment will help them understand what works best to stop the disease from spreading.
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June 8, 2011 Over the weekend, a sheep named Shrek died. He was the sheep that wouldn't be shorn. According to the Telegraph newspaper, Shrek escaped his flock and his fleecing for six years. When he was finally found in a cave, his overgrown fleece made him appear triple his size.
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Laurynn, I presume?
June 6, 2011 Off the coast of Seattle, a scuba diver meets a giant Pacific octopus guarding her nest of thousands of eggs.
June 3, 2011 When they're hungry for blood, mosquitoes can sniff out a human meal. Some researchers are using that sense of smell against the pests. University of California Riverside entomologist Anandasankar Ray explains how odors might one day be used to repel and trap mosquitoes.
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June 2, 2011 The Southwest Foundation for Biomedical Research in San Antonio, Texas is one of only a handful of sites around the world that conduct medical research on great apes. Scientists say their research is conducted humanely, but many animal rights groups say testing on chimps is unneeded and unethical.
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June 2, 2011 The giant Pacific octopus can have over 50,000 babies at one time, and spends months guarding those eggs — only to die soon after they are born.
A chunk of bluefin tuna (center) at a sushi restaurant in San Francisco.
Justin Sullivan/Getty Images
May 27, 2011 Despite urging from environmental groups, the federal government has decided not to list Atlantic bluefin tuna as an endangered species. It's the huge, majestic fish that's sold around the world as high-end sushi.
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