Portraits were taken more seriously in olden times.

Researchers discovered that our ability to recognize trees in art is linked to a mathematical principle called the branch ...

The latest photo challenge calls for you to take and send in your best pictures of trees. Here's how to enter.

Kishore Asthana Explaining spiritual advancement, in Thus Spake Zarathustra, Nietzsche says, “Three metamorphoses of the spirit I designate to you: how the spirit becomes a camel, the camel a ...