Biggest spider of the world

world’s largest spider

The world's largest spider is a real crab with a leg strap of up to 30 centimeters! If you suffer from arachnophobia - fear of spiders - then you may not need to read on. The biggest spider in the world ...
Do Fish Sleep in the concept of humans? Or their slowed motions give us the idea that they are just sleeping other than resting.


There are several species of fish that are observed really sleeping. So the answer for  "DO FISH SLEEP" is YES without any doubts. The researchers still struggle to define what sleep really is, and why s...