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

Believe it or not, humans can live without plenty of body parts. Lungs, eyes, kidneys: turns out you don't need 'em! Well, ...

23 Best Kettlebell Exercises to Torch Calories and Build Total-Body Muscle Kettlebell exercises are among the best to build full-body strength, because they let you do compound moves unilaterally.