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CDC worker's disappearance partially solved after body found

CDC worker's disappearance partially solved after body found

Health
Authorities have partially solved the mysterious disappearance of a Centers for Disease Control and Prevention employee with the discovery of his body. But they may never know how he drowned in a river not far from his home. Fishermen found Timothy Cunningham's body on Tuesday partially submerged in water and mud on the west bank of the Chattahoochee River in Atlanta, fire-rescue department spokesman Sgt. Cortez Stafford said at a news conference. Fulton County Chief Medical Examiner Jan Gorniak determined the cause of death as drowning, but said she couldn't provide additional information because she was still awaiting toxicology reports. "Since the investigation is ongoing, we do not have ... whether it was an accident, a suicide, or anything other than that" Cunningham drowned, Gorniak...
Dozen black holes found at galactic centre

Dozen black holes found at galactic centre

Science
A dozen black holes may lie at the centre of our galaxy, the Milky Way, researchers have said.A new analysis provides support for a decades-old prediction that "supermassive" black holes at the centres of galaxies are surrounded by many smaller ones.However, previous searches of the Milky Way's centre, where the nearest supermassive black hole is located, have found little evidence for this.Details appear in the journal Nature.Charles Hailey from Columbia University in New York and colleagues used archival data from Nasa's Chandra X-ray telescope to come to their conclusions.They report the discovery of a dozen inactive and low-mass "binary systems", in which a star orbits an unseen companion - the black hole.The supermassive black hole at the centre of the Milky Way, known as Sagittarius ...
Bones found in 1940 seem to be Amelia Earhart's, study says

Bones found in 1940 seem to be Amelia Earhart's, study says

Technology
Bones found in 1940 on a western Pacific Ocean island were quite likely to be remains from famed aviator Amelia Earhart, a new analysis concludes. The study and other evidence "point toward her rather strongly," University of Tennessee anthropologist Richard Jantz said Thursday. Earhart disappeared during an attempted flight around the world in 1937, and the search for an answer to what happened to her and her navigator has captivated the public for decades. Jantz's analysis is the latest chapter in a back-and-forth that has played out about the remains, which were found in 1940 on Nikumaroro Island but are now lost. All that survive are seven measurements, from the skull and bones of the arm and leg. Those measurements led a scientist in 1941 to conclude the bones belong to a man. In 199...
Bones found on South Pacific island belonged to Amelia Earhart, study concludes

Bones found on South Pacific island belonged to Amelia Earhart, study concludes

Science
March 7 (UPI) -- The bones found several decades ago on a remote island in the South Pacific were likely those of famed pilot Amelia Earhart. Anthropologist Richard Jantz is 99 percent sure of it.Jantz, a professor and researcher at the University of Tennessee, recently reanalyzed measurements taken of the bones by physician D. W. Hoodless. In 1940, Hoodless determined the bones belonged to a man -- not Earhart, who disappeared along with her plane in 1937.In a new paper published in the journal Forensic Anthropology, Jantz presents evidence contradicting Hoodless' conclusion.Jantz is the co-creater of a computer program designed to analyze the sex, ancestry and stature of a person based on skeletal measurements. When Jantz plugged the measurements made by Hoodless into the Fordisc program...
Fossil found in Israel suggests Homo sapiens left Africa 180,000 years ago

Fossil found in Israel suggests Homo sapiens left Africa 180,000 years ago

Science
Jan. 25 (UPI) -- Scientists believe an ancient human jawbone found in Israel belonged to a Homo sapien. The fossil, dated between 177,000 and 194,000 years old, suggests humans left Africa 50,000 years earlier than previously thought.Last year, scientists found a 300,000-year-old Homo sapien fossil in Morocco. Previously, scientists thought Homo sapiens first emerged 200,000 years ago in East Africa.Until recently, scientists thought modern humans left Africa in a mass exodus around 60,000 years ago, spreading out across Eurasia. Over the last decade, scientists have uncovered evidence that suggests the mass exodus was preceded by earlier, smaller migrations out of Africa, some as far back as 120,000 years ago.The latest discovery -- detailed this week in the journal Science Advances -- pu...