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Science


Wall Art From France Said World’s Oldest

DORDOGNE, France (UPI) — Anthropologists say a 1.6-ton block of engraved limestone found in southern France is the earliest evidence of wall art, dating to 37,000 years ago. U.S and European researchers have been excavating at Abri Castanet, the site of the discovery, for the past 15 years, calling it one of the oldest sites […]

Cosmic Dust Rings No Guarantee Of Planets

PASADENA, Calif. (UPI) — Dust rings around distant stars, considered by many as “smoking gun” evidence of orbiting planets, can form on their own, U.S. research suggests. The finding is possible bad news for those who use the structures to guide them to stars in their search for distant planets, and may raise questions about […]

U.K. Effort Under Way To Save Turtle Doves

LONDON (UPI) — Conservationists say they hope to reverse the decline of one of Britain’s most threatened birds, the turtle dove, and save the species from possible extinction. The turtle dove population in Britain fell by more than 90 percent between 1997 and 2010. he chief aim of the three-year project, led by the Royal […]

River Helped Keep Oil Spill From Coast

PHILADELPHIA (UPI) — Environmental damage to coastal Louisiana following the 2010 Gulf of Mexico oil spill was less than expected thanks to the Mississippi River, researchers say. Geoscientists say a study reveals the force of the Mississippi River emptying into the Gulf of Mexico created mounds of freshwater that pushed back against much of the […]

Study: Crows Can Recognize Human Voices

VIENNA (UPI) — Crows can learn to recognize familiar human voices and the calls of familiar birds from other species, Austrian researchers say. Scientists at the University of Vienna say the findings suggest the ability could help crows thrive in urban environments, using vocal cues from human and bird neighbors to find food or be […]

Asian Beetle Threatening Avocado Industry

LOS ANGELES (UPI) — California’s avocado crops are being threatened by an Asian beetle that is spreading a fungus that kills avocado trees, experts say. Evidence of the insect, known as the tea shot hole borer, has been found in backyard avocado trees in more than a half-dozen locations in Los Angeles County, the Los […]

Ancient Peruvian Find Turns Up In Florida

ORLANDO, Fla. (UPI) — Experts are trying to determine how two ancient skulls and centuries-old Peruvian artifacts came to be buried in a former Florida migrant worker camp. There is one clue that showed the burial occurred in comparatively recent times — pieces of a newspaper dated March 16, 1978, the Orlando (Fla.) Sentinel reported. […]

Telescope Image Shows Some Of Oldest Stars

MUNICH, Germany (UPI) — A telescope in Chile has captured a new image of a star cluster containing some of the oldest stars in the universe, European astronomers say. The image of the globular star cluster Messier 55 in the constellation of Sagittarius was captured with the VISTA survey telescope at the European Southern Observatory’s […]

Study: ‘Hungry’ Black Holes End Star Birth

PASADENA, Calif. (UPI) — Galaxies with powerful, active and “hungry” black holes at their core produce fewer stars than galaxies with less active black holes, European astronomers say. Findings from the European Space Agency’s Herschel Space Observatory suggest black holes suppressed galactic star formation when the universe was less than half its current age, they […]

Strange Mountain Burial Sites Studied

PHNOM PENH, Cambodia (UPI) — Burial ritual clues found in remote Cambodia are shedding light on the lost history of a little-known mountain-dwelling people, researchers say. Scientists from New Zealand’s University of Otago say they have accomplished the first radiocarbon dating of unusual jar and log coffin funeral internments on exposed ledges high in southern […]

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