Despite all our cells sharing the same DNA, there are thousands of different cell types in the human brain, each with a unique structure and function. One longstanding problem in neuroscience is determining how genes are switched on and off to form t
in utah, a chinese foreign exchange student has been found alive after officials say he was targeted in a terrifying cyber kidnapping scheme. liz kreutz now with the bizarre details and a warning from police. reporter: holed up alone in a tent deep in these frigid utah mountains. tonight a chinese foreign exchange student has been found safe after police say he became the victim of a suspected cyber kidnapping scam. he was cold, scared and relieved when we found him. reporter: riverdale police say 17-year-old kai zhang was reported missing by his high school outside salt lake city on thursday. his family in china said they had received a photograph of their son indicating he was abducted and that they had sent roughly $80,000 to bank accounts in china as a ransom. authorities began a days long search assisted by the fbi and the u.s. embassy
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