Category: Featured Articles
An adult human spine typically consists of 26 moveable segments: seven cervical vertebras, twelve thoracic vertebras, five lumbar vertebras, one sacrum, and one coccyx (tailbone). Intervertebral discs separate the …
Comparisons between the inner world and the outer world have been frequently drawn by philosophers, nature writers, and visual artists. For example, “seeing the universe in a grain of …
In the film classic “The Empire Strikes Back,” the iconic Jedi master Yoda inscrutably refers to “the Force” during training sessions with his disciple, Luke Skywalker. Yoda informs Luke …