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Solar Plane Lands in Hawaii after Record-Breaking Flight

A plane powered by the sun's rays landed in Hawaii Friday after a record-breaking five-day journey across the Pacific Ocean from Japan.

Pilot Andre Borschberg and his single-seat aircraft landed at Kalaeloa, a small airport outside Honolulu. His nearly 118-hour voyage from Nagoya broke the record for the world's longest nonstop solo flight, his team said. The late U.S. adventurer Steve Fossett set the previous record of 76 hours when he flew a specially-designed jet around the globe in 2006.

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U.S. Official: China, U.S. Working to End Ivory Trade

The United States and China want to increase cooperation in fighting wildlife trafficking and are working to end commercial ivory trading, a U.S. Cabinet secretary said Friday.

U.S. Interior Secretary Sally Jewell met in Beijing with Vice Premier Wang Yang and Forestry Administration head Zhao Shucong. She said both officials expressed that the Chinese government intends to end ivory trade in China, the world's top market for illegal ivory.

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Pact with Devil? California Farmers Use Oil Firms' Water

An efficient solution to a historic drought, or an environmentally risky pact with the devil?

That's the question raised by California farmers who are irrigating their crops with waste water supplied by oil companies, in an arrangement slammed as dangerous by environmental campaigners.

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Russian Supply Ship Launched to International Space Station

A Russian booster rocket on Friday successfully launched an unmanned cargo ship to the International Space Station, whose crew is anxiously awaiting it after the successive failures of two previous supply missions.

A Soyuz-U rocket blasted off flawlessly from Russia-leased Baikonur launch pad in Kazakhstan, placing the Progress M-28M ship into a designated orbit, safely en route to the station. On Sunday, it's set to dock at the station currently manned by Russians Gennady Padalka and Mikhail Kornienko and NASA's Scott Kelly.

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Cuban, U.S. Scientists Bond over Big Sharks

Somewhere in the North Atlantic right now, a longfin mako shark -- a cousin of the storied great white -- is cruising around, oblivious to the yellow satellite tag on its dorsal fin.

In mid-July, that electronic gizmo should pop off, float to the surface and instantly transmit a wealth of data to eagerly awaiting marine scientists in Cuba and the United States.

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U.S. Study: Sometimes, Views on Science are Not Political

The science of climate change divides the United States along political lines, but ideology matters little when it comes to views on space exploration, animal research and genetically modified food, a study said Wednesday.

Rather, gender, age and education are stronger influences than politics on certain science issues, said the Pew Research survey, which queried 2,000 people about 22 different topics.

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Study: Hydroelectric Dams Spell Disaster for Birds, Tortoises

Hydroelectric dams may cause 70 percent of wildlife in the nearby area to go extinct, according to a study Wednesday that raises new concern about what is often touted as a green energy source.

The study in the journal PLOS ONE focused on how animals in the tropical rainforest were coping as a result of the Balbina Dam in the central Amazon, in Brazil.

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Study: Polar Bears Could Feel Global Warming's Sting by 2025

About a third of the world's polar bears could be in imminent danger from greenhouse gas emissions in as soon as a decade, a U.S. government report shows.

The U.S. Geological Survey, the Interior Department's research arm, said updated scientific models don't bode well for polar bear populations across the world, especially in Alaska, the only state in the nation with the white bears.

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Australia Hails 'Tremendous' U.N. Barrier Reef Decision

Australia Thursday hailed a United Nations decision to keep the Great Barrier Reef off its endangered list as "tremendous", but activists warned more must be done to improve the marine park's health.

The world's biggest coral reef ecosystem, which has had World Heritage Site status since 1981, has been under increasing threat from climate change, farming run-off, development and the coral-eating crown-of-thorns starfish.

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Crocodile 'Nanny' Brings Reptile Back from Brink in El Salvador

The hungry baby crocodiles wriggle in Jose Antonio Villeda's hand. One by one, he squeezes open their jaws and uses a plastic tube to prod pieces of fish down their gullets.

Villeda is a park ranger working to save the local population of Crocodylus acutus, also known as the American crocodile, here in the mangroves of the Barra de Santiago nature reserve on El Salvador's Pacific coast.

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