DailyFact
Get the app
Source checked by DailyFact editors

Kelp can grow 18 inches in a day

In ideal conditions, kelp can grow up to 18 inches per day.

More science facts

Why it is true

Kelp are giant algae. Like trees in a forest, their canopies provide food and shelter for thousands of species.

Check the source

We keep the original reference beside the claim so you can inspect the evidence and surrounding context yourself.

Open NOAA Ocean Service

More from science facts

Source checked

Sunlight barely reaches below 200 meters in the sea

There is rarely any significant light deeper than 200 meters in the ocean, and sunlight does not reach below 1,000 meters.

See why it is true
Source checked

A tsunami can cross the ocean as fast as a jet

Over deep water, tsunami waves may travel as fast as jet planes, slowing only when they reach the shallows.

See why it is true
Source checked

Earth is about 4.54 billion years old

Radiometric dating places Earth's age at approximately 4.54 billion years.

See why it is true
All fun facts

Give curiosity one minute.

See how DailyFact turns 500,000+ ideas into a simple daily ritual.

Download on the App StoreDownload on the Play StoreDownload for Mac