Today's Catch

Climate Change Game of Tetris

Remember playing Tetris? Originally developed in 1984, the video game in which blocks of various shapes rain down and the player needs to find a way to fit them together is now ubiquitous. This TED ED video compares Tetris blocks to carbon dioxide...
Illustration of a four-legged proto-whale with webbed feet.

Early Whale with Webbed Feet

This early whale was well suited to life at sea. But it also may have spent time on land. An ancestor of the right whale , Maiacetus lived 49-40 million years ago. It had flipper-like limbs and webbed feet, like modern seals. But it also had ankle...
Fossil tooth whorl of ancient shark.

Fossil tooth spiral

This fossil tooth whorl of the ancient shark Helicoprion , dates back 290 million years. For a long time, people didn't know what the shark looked like—but, thanks to a CT scan of a fossil, researchers finally put the pieces together in 2013. Read...

Introduction - TRASH TALK

NOAA Ocean Today Every Full Moon explores the issue of marine debris. According to NOAA, marine debris is "any persistent solid material that is manufactured or processed and directly or indirectly, intentionally or unintentionally, disposed of or...
Flame shells live in enormous colonies, but hidden in nests.

Orange-Tentacled Flame Shell

A colony of 100 million flame shells ( Limaria hians ) was discovered in Scotland in 2012 , and is thought to be the biggest in the world. Flame shells are bivalve mollusks that are shaped a bit like scallops—but they have bright orange tentacles...
An algal bloom, also known as a red tide, has converted the ocean's surf to a red color

Red Tide

In the ocean, microscopic forms of algae, known as dinoflagellates , can "bloom" into dense patches near the surface, often referred to as "red tides." Some of these harmful algal blooms (HABs) are dangerous, producing toxins that can kill marine...

Orcas in the Antarctic

Three distinct types of killer whale, or orcas, can be found in the Antarctic, each with a different habitat and diet preference. One type of orca preys almost exclusively on the Antarctic minke whale, another on seals, and the last eats fish. None...

Meet the obscure microbe that influences climate, ocean ecosystems, and perhaps even evolution

More than half of the oxygen you breathe comes from plants and algae in the ocean, like phytoplankton and seaweed, called marine photosynthesizers . Both use carbon dioxide, water and energy from the sun to make food for themselves, releasing oxygen...

Oil’s Impact on Marine Invertebrates

In the aftermath of the Gulf oil spill, what is the effect of oil on invertebrates like jellyfish, clams, crabs, sea stars, and plankton? The scope of the damage is more easily observed among birds and large animals, but Dr. Chris Mah, an...

Johnson-Sea-Link Submersible

The first time biologist Mandy Joye dove to the deep sea in the Johnson-Sea-Link submersible (pictured here), she had never seen the bubbles of a methane seep. But after that fateful day in 1994, she was entranced. Instead of studying the mussels...

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