Which planet is the only planet to spin clockwise?

How do sea turtles navigate their way in the ocean?

Fact: sea turtles are able to return to the exact spot where they were born to mate and lay their own eggs.

In what year was the printing press invented?

Are there more trees on Earth or more stars in our galaxy?

How many T.rex dinosaurs existed on Earth (not all at the same time)?

How much of the human body is made up of human cells?

The rest of the human body is made up of microscopic colonists. No matter how well you wash, nearly every nook and cranny of your body is covered in microscopic creatures. This includes bacteria, viruses, fungi, and archaea (organisms originally misclassified as bacteria).

How long is the Great Barrier Reef?

Who invented penicillin?

Where can you find grasshopper’s ears?

What freezes faster, hot water or cold water?

Created at Crowdsignal.com