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A 4-year-old Iowa girl who went to blind in December after complications from the flu regained her vision, CNN reported on 135

A group of scientists have discovered 280-million-year-old fossil tracks in a remote area of the Grand Canyon that predate the the appearance of the earliest dinosaurs, according to a press release from the Grand Canyon National Park. According to the press release, an international team of paleontologists discovered "extremely well-preserved trackways of primitive tetrapods (four-footed animals) which inhabited an ancient desert environment."Paleontologists recognized the fossil tracks and say they were produced by a "long-extinct relative of very early reptiles... of extinct tetrapods known as diadectomorphs, a primitive group that possessed characteristics of both amphibians and reptiles."The characteristics of the newly discovered tracks suggest the creature that made the prints walked on all four legs, with each foot containing five "clawless digits.""Although the actual track maker for the Grand Canyon footprints may never be known, the Grand Canyon trackways preserve the travel of a very early terrestrial vertebrate," the press release stated. 1079

"Wheel of Fortune" host Pat Sajak had emergency surgery this week to correct a blocked intestine, forcing "Wheel of Fortune" to cancel its tapings on Thursday. On Friday, tapings resumed with a familiar face as host. Vanna White, the long time hostess of "Wheel of Fortune," stepped into Sajak's role as host on Friday. "Wheel of Fortune" tweeted that Sajak's surgery was "successful." "Our taping on Thursday was canceled because host Pat Sajak underwent successful emergency surgery to correct a blocked intestine. He is resting comfortably and looking forward to getting back to work. Taping resumed today as scheduled and Vanna White has stepped in as host," the tweet read. Sajak, 73, has hosted Wheel of Fortune since 1981. White joined Wheel of Fortune a year later. 786

A drug that curbs delusions in Parkinson’s patients did the same for people with Alzheimer’s disease and other forms of dementia in a study that was stopped early because the benefit seemed clear.If regulators agree, the drug could become the first treatment specifically for dementia-related psychosis and the first new medicine for Alzheimer’s in nearly two decades. It targets some of the most troubling symptoms that patients and caregivers face — hallucinations that often lead to anxiety, aggression, and physical and verbal abuse.Results were disclosed Wednesday at a conference in San Diego.“This would be a very important advance,” said one independent expert, Dr. Howard Fillit, chief science officer of the Alzheimer’s Drug Discovery Foundation.Although the field is focused on 801

A man arrested in connection with one of the terrorist attacks at New Zealand mosques on Friday livestreamed the attack on Facebook, according to the 162