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Science


Study: Culture Affects Emotion Perception

GLASGOW, Scotland, Sept. 1 (UPI) — People in different cultures perceive emotional facial expressions in unique ways, which can lead to cross-cultural misunderstandings, a Scottish study says. The study, published in the American Psychological Association’s Journal of Experimental Psychology, challenges prior research that suggested facial expressions are a hard-wired human behavior with evolutionary origins that […]

Strategy For Farming Vs. Wildlife Studied

CAMBRIDGE, England, Sept. 1 (UPI) — Separating habitats from farmland could save species more effectively than trying to grow crops and conserve nature on the same land, British researchers say. The separation may be the best way to meet increased food demand with the least impact on wild species, researchers at the University of Cambridge […]

Tomb May Be That Of Stonehenge Builders

LONDON, Sept. 1 (UPI) — British archaeologists say a tomb found at a quarry in Wales could be that of some of the original builders of Stonehenge. Researchers say the Carn Menyn site in the Preseli Hills is where the bluestones used to construct the first stone phase of Stonehenge were quarried in about 2300 […]

Satellites Observed U.S. Heat Spell

GREENBELT, Md., Sept. 1 (UPI) — As much of the United States sweated through a record-breaking humid heat wave during July, satellites recorded the unusual weather from above, NASA said. The Atmospheric Infrared Sounder instrument on the Aqua satellite launched in 2002 recorded highly accurate data about the troposphere, the lowest layer of the atmosphere […]

Threat Of Orbiting Space ‘Junk’ Studied

WASHINGTON, Sept. 1 (UPI) — A problem of space debris orbiting Earth, and potentially threatening astronauts and satellites, has inspired various schemes to deal with it, officials said. They range from a $1 billion U.S. Air Force so-called space fence radar tracking system, to a proposed European Space Agency spacecraft that would spray loose rockets […]

Study: Tool Use Came Earlier Than Thought

NEW YORK, Aug. 31 (UPI) — Our early ancestors, Homo erectus, were shaping stone axes in Africa 1.8 million years ago, 300,000 years earlier than previously thought, U.S. researchers say. Homo erectus appeared about 2 million years ago and lived until hitting a possible evolutionary dead-end about 70,000 years ago. Some researchers think Homo erectus […]

Distant Star May Be Oldest Ever Seen

MUNICH, Germany, Aug. 31 (UPI) — European astronomers say they’ve discovered a faint ancient star in the constellation Leo that, given its elemental makeup, “shouldn’t exist.” The star has been found to have the lowest amount of elements heavier than helium of any star yet studied, a mass smaller than that of the sun, and […]

Canadian Oil A Better Option, Chu Says

WASHINGTON, Sept. 1 (UPI) — Regardless of the type of oil, having Canada as a main oil supplier to the United States is much better for energy security, the U.S. energy secretary said. U.S. celebrities, scientists and executives at leading environmental advocacy groups are among the growing number of critics of the planned Keystone XL […]

New Mexico Has New Solar Options

PRINCETON, N.J., Sept. 1 (UPI) — A solar power facility in New Mexico has started churning out renewable energy for thousands of homes, an energy company announced. NRG Solar, a subsidiary of NRG Energy Inc., announced its 20-megawatt Roadrunner facility near the New Mexico border with Texas is now operating at full capacity. The facility […]

U.S. Sinks $12 Million Into Biofuels

WASHINGTON, Sept. 1 (UPI) — The U.S. Department of Energy announced it was doling out $12 million to support biofuels projects that will work to replace conventional gasoline. Three small-scale projects in Illinois, North Carolina and Wisconsin get federal funding to help commercialize a process that uses heat and other catalysts to convert biomass into […]

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