Library›The Blue Planet›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

NatureOne small ahaOcean concept

This ocean feature, the smallest and shallowest ocean, stays largely covered by sea ice much of the year.

Think it. Then flip it. ahamoraTap to reveal Back to the cue
NatureOne small aha
Your new ahaThe Arctic Ocean

The Arctic Ocean: The smallest and shallowest of the world's oceans. Source: Arctic Ocean ↗

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from The Blue Planet

A few more worth knowing.

  1. 18This ocean feature, linked to rising carbon dioxide, threatens marine organisms that build shells.RECALL
    Ocean Acidification

    Ocean acidification, linked to rising carbon dioxide, threatens marine organisms that build shells.

    Open this card ↗
  2. 19This ocean feature, beyond sunlight's reach, remains one of the least explored environments on Earth.RECALL
    The Deep Sea

    The deep sea, beyond sunlight's reach, remains one of the least explored environments on Earth.

    Open this card ↗
  3. 20These floating masses of freshwater ice break away from glaciers or ice shelves.RECALL
    Icebergs

    Icebergs break off glaciers into the sea, with only a small fraction of their mass visible above water.

    Open this card ↗