Do fish ever get thirsty?

Do fish ever get thirsty?

I was asked this question by my ever inquisitive seven year old. The same child who recently wanted to know about travelling at the speed of light and whether pigs dream; I’m always curious to see what his next big question is.

It’s a good question, fish live it water, they have it around them all their lives, but do they ever get that strong urge to drink, that urge we call thirst, or do they even drink at all? Read more

A Simple Slice of Science – Why is the sea salty?

A Simple Slice of Science – Why is the sea salty?

This week’s question for Dr. Simple came in from a little boy who has just turned five and sometimes goes by the name of Spidey (you might find him here); He wants to know…

Why is the sea salty?

This is a great question  and Dr. Simple was delighted to “dive right in” and answer it!

Before Dr. Simple gets stuck in it might be a good idea to look at the definition of a sea and an ocean. Dr. Simple will use the word sea to mean both, which is commonly done, but there is actually a difference between the two words…

“seas are smaller than oceans and are usually located where the land and ocean meet. Typically, seas are partially enclosed by land.”

 

SaltySea