Palo Alto resides at the edge of the San Francisco Bay, which opens into the largest ocean in the world. Like the Pacific Ocean, Earth's bodies of water host a diverse mosaic of wildlife, as pictured on our cover, and are as instrumental in regulating climate change as they are vulnerable to its effects. From culling invasive species in "Diving In" to "Eyes on the Prize," a critical look at the use of fish as prize giveaways, our efforts to understand and protect the marine biosphere underscore this month's issue.
