Like HowStuffWorks on Facebook!

Science | Environmental Science | Oceanography

Oceanography is the study of the oceans as ecological systems. In this section, learn about topics like currents, deep-sea research or how rogue waves work.

Featured
How Desalination Works

Very little of the world's water is usable because of its high salt content, but a process known as desalination may help change that. How does desalination work to turn salt water into fresh water?


Is the Dead Sea really dead?

 Is the Dead Sea really dead?

The Dead Sea has a macabre name, but it's famous for incredibly high levels of salt. Read about the Dead Sea and just how salty the body of water is. See more »

Who owns the oceans?

 Who owns the oceans?

International water covers 71 percent of the Earth's surface and includes five oceans. Learn how international water is shared among all the nations. See more »

How can you make water invisible?

 How can you make water invisible?

Magicians say invisible water exists, and they often prove it by floating a small boat on thin air. Learn the magic behind the invisible water trick. See more »

How Wave Energy Works

 How Wave Energy Works

Wave energy could be used to create electricity, replacing the burning of fossil fuels. Find out more about wave energy and how it can be harnessed. See more »

How Hydrology Works

 How Hydrology Works

Hydrology is the study of the flow of water through the Earth's hydrologic cycle. Find out why hydrology is an important branch of science. See more »

Ocean Current Pictures

 Ocean Current Pictures

Ocean currents can have a major impact on the Earth's weather. Check out this collection of ocean current pictures. See more »

What are tide tables?

 What are tide tables?

Tide tables tell you when and how high the two highest and lowest tides in an area will be. Find out how tide tables can be useful to you. See more »

How Ocean Currents Work

 How Ocean Currents Work

Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling. See more »

What if people wanted to use icebergs as a source of fresh water?

 What if people wanted to use icebergs as a source of fresh water?

Using icebergs for water could help supply places where water is in high demand but little supply. Learn about the possibility of using icebergs for water. See more »