Plankton aren't just the foundation of the ocean's food chain; they're also really important for getting carbon dioxide out of the air.
Scientists have long wondered how cetaceans, such as whales and dolphins, are able to get enough sleep. Learn more on this Moment of Science.
Imagine if the only way for you to eat were to trek 25 miles on foot to a restaurant and then trek all the way back home afterward.
Photosynthesis is the biochemical process in which energy from sunlight is converted by plants, algae, and some bacteria into sugars, which are used by the organism as food. That is, these organisms convert the energy of the sun into a different form of energy. However, there is a least one exception: a little bacterium deep under the Pacific Ocean which manages photosynthesis without sunlight. Learn more on this Moment of Science.
When it comes to ocean life, you might assume that the real action occurs down in the depths. After all, that’s where sharks, whales, octopi and other stars of sea do their thing, not to mention the truly weird and wonderful creatures that inhabit the ocean floor.