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U.S. Researchers Test Pig-to-Human Transplant in Donated Body

Researchers on Thursday reported the latest in a surprising string of experiments in the quest to save human lives with organs from genetically modified pigs.

This time around, surgeons in Alabama transplanted a pig's kidneys into a brain-dead man — a step-by-step rehearsal for an operation they hope to try in living patients possibly later this year.

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19-Year-Old Woman Sets Record for Solo Global Flight

The 19-year-old Belgian-British pilot Zara Rutherford set a world record as the youngest woman to fly solo around the world, touching her small airplane down in western Belgium on Thursday — 155 days after she departed.

Rutherford will find herself in the Guinness World Records book after setting the mark that had been held by 30-year-old American aviator Shaesta Waiz since 2017.

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Pfizer Chief Albert Bourla Wins $1 Million Genesis Prize

Albert Bourla, chairman and chief executive of global pharmaceutical giant Pfizer Inc., was awarded on Wednesday the prestigious Genesis Prize for his efforts in leading the development of a COVID-19 vaccine.

The $1 million award is granted each year to a person for their professional achievements, contributions to humanity and commitment to Jewish values. The Genesis Prize Foundation said Bourla had received the largest number of votes in an online campaign in which some 200,000 people in 71 countries participated.

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Out of This World: 555.55-Carat Black Diamond Lands in Dubai

Auction house Sotheby's Dubai has unveiled a diamond that's literally from out of this world.

Sotheby's calls the 555.55-carat black diamond — believed to have come from outer space — "The Enigma." The rare gem was shown off on Monday to journalists as part of a tour in Dubai and Los Angeles before it is due to be auctioned off in February in London.

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Study Nixes Mars Life in Meteorite Found in Antarctica

A 4 billion-year-old meteorite from Mars that caused a splash here on Earth decades ago contains no evidence of ancient, primitive Martian life after all, scientists have reported.

In 1996, a NASA-led team announced that organic compounds in the rock appeared to have been left by living creatures. Other scientists were skeptical and researchers chipped away at that premise over the decades, most recently by a team led by the Carnegie Institution for Science's Andrew Steele.

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In 1st, U.S. Surgeons Transplant Pig Heart into Human Patient

In a medical first, doctors transplanted a pig heart into a patient in a last-ditch effort to save his life and a Maryland hospital said Monday that he's doing well three days after the highly experimental surgery.

While it's too soon to know if the operation really will work, it marks a step in the decades-long quest to one day use animal organs for life-saving transplants. Doctors at the University of Maryland Medical Center say the transplant showed that a heart from a genetically modified animal can function in the human body without immediate rejection.

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Scientists Explore Thwaites, Antarctica's 'Doomsday' Glacier

A team of scientists is sailing to "the place in the world that's the hardest to get to" so they can better figure out how much and how fast seas will rise because of global warming eating away at Antarctica's ice.

Thirty-two scientists are starting a more than two-month mission aboard an American research ship to investigate the crucial area where the massive but melting Thwaites glacier faces the Amundsen Sea and may eventually lose large amounts of ice because of warm water. The Florida-sized glacier has gotten the nickname the "doomsday glacier" because of how much ice it has and how much seas could rise if it all melts — more than two feet (65 centimeters) over hundreds of years.

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China Defends Science Exchange Program Following U.S. Arrest

China on Wednesday defended its international scientific exchange programs in the wake of the conviction of a Harvard University professor charged with hiding his ties to a Chinese-run recruitment program.

Foreign Ministry spokesperson Zhao Lijian said China manages such exchanges along the same lines as the U.S. and other countries.

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Satellite Images, Expert Suggest Iranian Space Launch Coming

Iran appears to be preparing for a space launch as negotiations continue in Vienna over its tattered nuclear deal with world powers, according to an expert and satellite images.

The likely blast off at Iran's Imam Khomeini Spaceport comes as Iranian state media has offered a list of upcoming planned satellite launches in the works for the Islamic Republic's civilian space program, which has been beset by a series of failed launches. Iran's paramilitary Revolutionary Guard runs its own parallel program that successfully put a satellite into orbit last year.

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Footprints Show Some Two-Legged Dinosaurs were Agile

Not all two-legged dinosaurs were like the lumbering Tyrannosaurus rex.

An analysis of dinosaur tracks from 120 million years ago unearthed in Spain adds to growing evidence that these meat-eating prehistoric beasts belonging to the same group as T.rex could be highly agile.

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