Cities are 2% of the earth's crust, but they are 50% of the world's population.

Some trash is recycled, some is thrown away, some ends up where it shouldn't end up.

Phone networks can capture life on our planet.

The deployment of geolocating tags attached to ordinary garbage could paint a surprising picture of the waste management system, as trash is shipped throughout the country in a maze-like disposal process - as we saw in Seattle with our own Trash Track project.

In today's knowledge-based economy, what you earn depends on what you learn. Jobs in the information technology sector, for example, pay 85 percent more than the private sector average.

Molecular chirality plays a key role in science and technology. In particular, life depends on molecular chirality in that many biological functions are inherently dissymmetric.

The one thing about internet language, people join it, and what quickly evolves is an 'internet dialect,' as it were.

History is rife with examples of governments taking actions to 'protect' their citizens from harm by controlling access to information and inhibiting freedom of expression and other freedoms outlined in The Universal Declaration of Human Rights. We must make sure, collectively, that the Internet avoids a similar fate.