A study on rats offers the first biological evidence that small doses of hallucinogenic drugs could have therapeutic benefits

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Japanese scientists said Wednesday they had successfully used mouse stem cells to grow kidneys in rat embryos, using a technique that could one day help grow human kidneys for transplant

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Despite the current Silicon Valley hype, infusing yourself with the blood of a 16-year-old is probably not going to make you live longer and fix all that ails you

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A man in Hong Kong has been found to have a strain of hepatitis E that had only been seen previously in rats, researchers said on Friday

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Rats, mice, rabbits, and other animals have long been an essential part of testing drugs for safety and efficacy before they make their way to human subjects. But some scientists are trying to spare these animals, and even make drugs safer, by instead creating and relying on virtual test subjects

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In a pair of studies published on Thursday in the journal Scientific Reports, the researchers report that rats and monkeys can coordinate their brains to carry out such tasks as moving a simulated arm or recognizing simple patterns. In many of the trials, the networked animals performed better than individuals

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