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Pterosaurs -- the flying relatives of dinosaurs -- could control the color of their plumage, researchers have discovered.
Pterosaurs lived alongside dinosaurs, 230 million to 66 million years ago.
The investigators analyzed a 115-million-year-old fossilized head crest of a pterosaur called Tupandactylus imperator found in northeastern Brazil.
The bottom of the crest h...
Comedian Bob Saget died after a severe blow to his head fractured his skull in several spots and caused bleeding across both sides of his brain, an autopsy report shows.
"It is most probable that the decedent suffered an unwitnessed fall backwards and struck the posterior aspect of his head," the report by the chief medical examiner of Orange and Osceola counties in Florida stated.
"Full House" actor and comic Bob Saget was found dead Sunday in his Florida hotel room, the night after performing at a concert hall near Jacksonville. He was 65.
Best known for playing Danny Tanner on "Full House" and "Fuller House" and as the host of "American's Funniest Home Videos," Saget's death was confirmed by the Orange County Sheriff's Office, The New York Times
Bad smells, better memory?
A series of experiments with volunteers aged 13 to 25 showed that they were better able to recall images that were associated with unpleasant odors.
Specifically, they had better recall of images 24 hours after seeing them if the images were paired with a bad smell.
The study also found that people who had greater arousal responses (measu...