Deep Look

Tiny and delicate, pygmy seahorses survive by attaching to vibrant corals where they become nearly invisible to both predators and researchers. Now, biologists at the California Academy of Sciences have successfully bred them in captivity for the first time. Finally, they're able to study the seahorses' amazing act of camouflage up close.

There's a story in every grain of sand.

Plenty of animals build their homes in oak trees.

Mysterious bacteria lay dormant in the Arctic permafrost.

What does it mean to be blue?

Sea otters aren't just cute -- they're a vivid example of life on the edge.

Artificial light makes the modern world possible.

Every one of us started out as an embryo.

Beneath the towering redwoods lives one of the most peculiar creatures in California.

Most plankton are tiny drifters, wandering in a vast ocean.

Every winter, California newts leave the safety of their forest burrows.

Scientists have used a high-speed camera to film hummingbirds' aerial acrobatics.