Season 1

Video thumbnail: Deep Look What Happens When You Put a Hummingbird in a Wind Tunnel?

Deep Look

What Happens When You Put a Hummingbird in a Wind Tunnel?

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

What Happens When You Put a Hummingbird in a Wind Tunnel?

Video thumbnail: Deep Look Banana Slugs: Secret of the Slime

Deep Look

Banana Slugs: Secret of the Slime

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

Banana Slugs: Secret of the Slime

Video thumbnail: Deep Look The Fantastic Fur of Sea Otters

Deep Look

The Fantastic Fur of Sea Otters

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

The Fantastic Fur of Sea Otters

Video thumbnail: Deep Look The Hidden Perils of Permafrost

Deep Look

The Hidden Perils of Permafrost

Mysterious bacteria lay dormant in the Arctic permafrost.

The Hidden Perils of Permafrost

Video thumbnail: Deep Look The Amazing Life of Sand

Deep Look

The Amazing Life of Sand

There's a story in every grain of sand.

The Amazing Life of Sand