Nerves look blue in the reconstructed view of a genetically engineered mouse (left) whose neurons produce a fluorescent ...

What's a royalty-free license? Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional ...

After the first observations of life under the microscope, it took two centuries of research before the 'cell theory', the idea that all living things are composed of cells or their products, was ...