Footprint

Worried about your impact on the environment? The way we use the planet's resources makes up our ecological footprint. Measuring yours takes less than 5 minutes and could set you on a life-changing journey. Click here (or here if you prefer in portuguese)

The White House Museum

Have you ever felt as the king of the world? Why don't try it? On The White House Museum website you can make a virtual tour among the rooms, halls, promenade and so on of the Obama's place. When you go to any room, it is possible to read the history of the place and see some pictures. Tips from Blue Bus.

The Science News Cycle

The cartoon panel show us a funny way of tell some news. I mean, not a funny but the real way adopted by media in general. It is very similar the news about swine flu, isn't it? Tips from Neatorama.

Social networks around the World

Have you ever thought about social networks and their popularity around the World? A search made by Royal Pingdom with the 12 major social network around the globe was responsable for design the maps that we can see below. When I've seen these maps for the first time I found two curious things: 1 - Brazilian people are participating in all of them; and 2 - the social network that is used most by irish people is named Bebo, that means "I drink" in Portuguese. For more maps, click here.

ORKUT

MYSPACE

Re-Cycle

Students of Appalachian State University have won the prize Juice Ideas, sponsored by Google, with their project of a bike made of plastic bottles. The final result you can see in the picture, however to understand the whole process is better to check on the video below. Tips from Nave Terra.