Tim Shank

May. 16, 2014

Remembering Nereus, Explorer of Ocean Depths

The robotic deep-sea submersible Nereus was destroyed while diving over six miles beneath the surface in the Kermadec Trench.

deep-sea exploration, oceans, nereus, kermadec trench, new zealand, submersible, challenger deep in the mariana trench, timothy shank

Jul. 06, 2007

Expedition Explores The Arctic Sea Floor

A team of scientists is heading toward the Gakkel Ridge in the Arctic Ocean, hunting for hydrothermal vents on the Arctic sea floor.

arctic, sea floor, whoi, expedition

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Michael Pollan Talks Plants and Food

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Mystery Box

How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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