A Colombian-born tailor is giving back to his community by teaching free sewing classes to migrant women in New York City.

When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are ...

The iliopsoas muscle is the major flexor of your hip joint. It’s made up of two muscles: the iliacus, the psoas major. These muscles work together to flex your hip, as well as stabilize your hip and ...

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National Geographic's enterprising photographers have helped readers explore and learn about our beautiful world through their images for more than a century. Here is their best work from the past ...