The future of life-saving treatments may be just a chip off the ‘ole blood sample. Scientists at Columbia University have created a set of real — and really tiny — human organs that interact on a chip ...

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An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

For 150 years, 98.6 degrees Fahrenheit was thought to be the average body temperature for a healthy human being. But that number is wrong. “Doctors are no different from anybody else,” says Julie ...