While physicists and chemists are able to state laws that hold true in all situations, the sheer complexity of the biological world makes it far from predictable. Today's biologists are only beginning to understand how evolution has led to the diversity of life on earth.

"What we don't know is much, much greater than what we do know," says entomologist Andrew Polaszek .
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Biologists can sometimes use their knowledge of how species relate to one another to restore ecosystems to their natural balance. For example, if a species begins to overpopulate an area, introducing new predators could help keep its numbers down.

Zoologist Mark Wilkinson talks about the future of biology.
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Throughout time and across cultures, people have wondered about the origins of the world they live in. Studying biology offers a way to satisfy this innate curiosity and, like gazing at the night sky, helps us to perceive the grandeur of the natural world.

Zoologist Mark Wilkinson explains how biology is an "aesthetic enterprise."
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