Repeated exercise, or wasting, can change the way key genes work.

- Muscle cells, also known as myocytes, are specialized cells designed for contraction and force production. Skeletal Muscle Cells: These cells are long, cylindrical, and have a striated (or striped) ...

Working out doesn't just build muscle but, in later life, helps maintain a powerful cellular machine that repairs damaged ...

Sometimes nature provides the best blueprints for building effective robots. It also can provide the best material. Billions of years of natural selection has built some pretty impressive machinery, ...