Tagged: nature

Shark Attacks VS Human Attacks

“Shark Attack“, a striking infography on the comparison between the number of humans killed by sharks each year, and the number of sharks killed by humans every hour!

Amazing examples of animal camouflage (18 pictures)

In nature, every advantage increases an animal’s chances of survival, and therefore its chances of reproducing. This simple fact has caused animal species to evolve a number of special adaptations that help them find food and keep them from becom­ing food. One of the most widespread and varied adaptations is natural camouflage, an animal’s ability to hide itself from predator and prey.

Moqui marbles and Martian Blueberries

The photo above shows Moqui Marbles in their native habitat of southern Utah. These curious rocks are actuallyconcretions having iron (hematite) rinds. Very similar rocks, called blueberries, have been observed repeatedly on Mars by the rovers.

Earth’s Richat Structure

What on Earth is that? The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across. Once thought to be an impact crater, theRichat Structure’s flat middle and lack of shock-altered rock indicates otherwise.