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Salts, heat, humid summers may have aided development of life on Earth

Salts, heat, humid summers may have aided development of life on Earth

Science
Oct. 4 (UPI) -- How life first emerged on planet Earth remains a mystery, but new research suggests salts, heat and humidity may have aided the construction of proteins from simpler building blocks. "In terms of the history of the planet, how life originated is probably the greatest scientific question we can ask," lead study author Paul Bracher, an assistant professor of chemistry at Saint Louis University, said in a news release. "A key piece of this grand challenge is figuring out how big polymer molecules we know to be important for life could have formed before all of our biological machinery evolved to make them." Proteins are the building blocks of life. They're composed of chains of amino acids linked together by peptide bonds. When amino acids are baked until they're bone dry, p...
Man who aided disoriented patient says she's getting care

Man who aided disoriented patient says she's getting care

Health
The man who said he came to the aid of a visibly disoriented woman discharged from a Baltimore hospital wearing only a gown and socks on a frigid winter's night said Friday that she's been reunited with her family. Imamu Baraka, a psychotherapist who has an office across the street from the University of Maryland Medical Center Midtown Campus, told The Associated Press he was so angry at the woman's treatment that he decided to record Tuesday night's events on cellphone video, fearing no one would believe him if he reported a patient being left at a bus stop like that on a cold January night. "I knew that she was not supposed to be discharged from a hospital with no clothing on and no shoes," he said during a Friday interview in his office. Baraka's cellphone video shows several guards st...