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Decades of commercial whaling nearly decimated a variety of whales considered a keystone species. Keystone species are indicators of the overall health of Earth's habitats. While whales have made a comeback through an international ban on commercial whaling, they are still threatened with extinction. Global warming, water and noise pollution, and commercial shipping and fishing are among the most serious threats to whale survival. Meet the scientists,...
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Whether you call them kicks or sneakers, runners or gutties, you probably have a pair of athletic shoes in your closet. The earliest sneakers debuted in the 1800's and weren't much more than a canvas upper and a flexible sole made of a crazy new material-rubber. The stuff might have been new to Americans then, but for thousands of years, the indigenous peoples of the Amazon Basin of South America had been using latex made from the milky sap of hevea...
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How can we combat climate warming? Some scientists say geoengineeringinterfering with Earth's systems to counteract climate changeis the answer. Explore ideas such as reforestation, space mirrors, and carbon capture, and learn about the pros and cons of these controversial technologies.
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The Islamic State in Iraq and Syria, or ISIS, emerged in the Middle East during the first decade of the 2000s. The group vows to wage violent jihad, or holy war, on those who do not adhere to its extremist interpretation of Islamic law. ISIS conquers territory and rules savagely. ISIS terrorists manipulate social media brilliantly, shocking viewers around the globe with brutal video footage. Government leaders and agencies all over the world are working...
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When you think of smart animals, what comes to mind? Wise old owls? Problem-solving dolphins? Maybe you have heard of Koko the gorilla, who has mastered one thousand signs in American Sign Language, or Chaser the border collie, who recognizes one thousand names for her stuffed toys. But what about ants building megacolonies or bees reporting to the hive about new nesting sites? What about escape artist octopuses and jellyfish that use their eyes (they...
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Drug overdosing and death from prescription painkillers and heroin are at epidemic levels in the United States. How do people become addicted to opioids and other dangerous drugs, and why? Meet the experts who study the neurology of addiction. Hear stories of addicts in recovery, and of loved ones left behind by those who died from overdosing. Discover more about the social and economic costs of overdosing and learn about scientific research to decrease...
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