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Science


Paper Currency Found To Contain BPA

WASHINGTON, Aug. 10 (UPI) — Paper money worldwide contains bisphenol A, a potentially toxic substance found in plastics, thermal paper and other products, a U.S. scientific article says. A study published in the journal Environmental Science & Technology found the thermal-paper cash register receipts people routinely place near their currency in wallets, purses and pockets […]

Earth ‘recyles’ Itself Faster Than Thought

MAINZ, Germany, Aug. 10 (UPI) — The volcanic recycling of crust that sinks due to the movement of Earth’s tectonic plates happens faster than previously thought, German researchers say. Scientists at the Max Planck Institute for Chemistry in Mainz say sunken oceanic crust resurfaces from Earth’s mantle through volcanic eruptions after only 500 million years, […]

U.S. Reviews Alaska’s Oil And Gas Reserves

JUNEAU, Alaska, Aug. 10 (UPI) — The United States must consider a wise approach to tapping into the vast oil and natural gas resources in Alaska, the U.S. interior secretary said. Interior Secretary Ken Salazar is visiting Alaska along with Deputy Secretary David Hayes, who is chairman of a high-level working group on energy development […]

Study: Genetic Link To Intelligence

EDINBURGH, Scotland, Aug. 9 (UPI) — A study offers the first direct biological evidence that genes and inheritance have a big role in intelligence, a Scottish researcher says. Researcher Ian Deary of the Center for Cognitive Aging at the University of Edinburgh says previous family and twin studies strongly suggested many characteristics of intelligence are […]

Study: Narcissists Don’t Make Good Leaders

WASHINGTON, Aug. 9 (UPI) — Narcissists rise to the top because people think their confidence, dominance and self-esteem make them good leaders — but they’re not, Dutch researchers say. “Our research shows that the opposite seems to be true,” University of Amsterdam psychologist Barbora Nevicka says. The study by Nevicka and colleagues found narcissists’ preoccupation […]

Study: Chimpanzees Are Naturally Generous

ATLANTA, Aug. 9 (UPI) — U.S. researchers say chimpanzees have shown a significant bias toward prosocial, or altruistic, behavior among themselves, contradicting some earlier studies. Scientists as Emory University said their study is in contrast to previous studies that had characterized chimpanzees as reluctant altruists and led to the widely held belief that human altruism […]

Falklands’ New Oil Find Seen As Viable

STANLEY, Falkland Islands, Aug. 9 (UPI) — The latest offshore oil discovery in the Falkland Islands waters is seen as a viable proposition, encouraging news for investors who have staked millions into developing the British overseas territories as a major energy hub. Rockhopper Exploration, one of the prospecting firms with financial interests closely tied to […]

‘Housekeeping’ Could Solve Space Junk Mess

ROME, Aug. 9 (UPI) — The growing problem of space junk orbiting Earth could be tackled by specialized “housekeeping” spacecraft, an Italian researcher has proposed. The process would involve launching a specialized satellite that would rendezvous with the largest examples of space debris, like spent rocket bodies, and attach a small propellant kit that would […]

Strongest Solar Flare In Four Years

WASHINGTON, Aug. 9 (UPI) — The largest solar flare in four years erupted from the sun Tuesday, but it is unlikely to cause any problems on Earth, U.S. scientists say. A National Atmospheric and Oceanographic Administration satellite recorded the flare at 3:48 a.m. EDT, a NASA release said. “It was a big flare,” Joe Kunches, […]

Study: Mature Heart Can’t Regenerate Cells

LOS ANGELES, Aug. 8 (UPI) — U.S. researches say adult human cardiac cells lose their ability to proliferate, perhaps explaining why the human heart has little regenerative capacity. Stem cell researchers at UCLA say the discovery may lead to methods of reprogramming a patient’s cardiac myocytes, or muscle cells, within the heart itself to create […]

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