Knowtex

This datavisualization shows Brazil State-level business environment ranking by category, region and comparison.

A comparison of various star sizes... Makes us feel very small!!

A Taiwanese researcher tries to demonstrate that online friendship varies among cultures. But he comes to the opposite conclusion.

Rooftop solar is several times more dangerous than nuclear power and wind power. It is still much, much safer than coal and oil, because those have a lot of air pollution deaths.

Tracking and visualizing the relative size of the recent dramatic oil spill in the Gulf of Mexico can be done in many different ways.

Thousands of tonnes of oil have poured into the Gulf of Mexico after the disaster at the Deepwater Horizon oil rig over two weeks ago. But how does this leak compare with the largest offshore spills on record?

Both are social networks, but there's no need to choose between the two. Each is unique and complements the other. Definitely post your resume on LinkedIn to connect with your business colleagues and use Facebook to stay connected with your close friends.

How big is Earth in comparison with others planets, stars like the Sun and supergiants? Well, our planet is definitely small, VERY small...