Photo

Tiny Ciliate

This Blepharisma japonicum is a single-celled protist called a ciliate, a...

Photo

Cyanobacteria

This blue-green microbe called a cyanobacterium was likely the first photosynthetic...

Article

Five Methods for Tracking the Ocean's Motion

From the time of Aristotle until the European Renaissance, a roughly 1,000-year...

Article

How to Survive an Oil Spill: Oyster Edition

Oysters are powerhouses of water filtration. In a single day, one oyster can filter...

Article

Meals of the Mighty Mosasaur

Between 100 and 65 million years ago, at the time when dinosaurs reigned on land,...

Photo

Algae Bloom Brings a Red Tide

An algae called Karenia brevis can bloom into a sea of red when there are...

Lesson Plan

Haunted by Hurricanes

Hurricanes are powerful storms that can cause devastating damage when they hit the...

Lesson Plan

Hot, Cold, Fresh, Salty

An observer on the seashore may make the mistake of thinking that all ocean...

Lesson Plan

Who Moved the Beach?

Coastal erosion is a natural process that sweeps large sections of land out to sea....

Article

Fish Heart Out of Water

Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...

video

Fujiwhara Effect

What happens when hurricanes collide? They begin a circular dance in what's called...

video

Sharks are also afraid of shark attacks

Caribbean reef sharks are not the reef's top predator. A fearful reef shark...