And so I'll do things that are really fun activities, because these are children who are living in unimaginable poverty.

VOA: special.2009.08.10

In a place called the Mariposa Grove, visitors can see some of the largest, tallest and oldest living things on Earth.

VOA: special.2009.01.07

It says the synthetic cells might take control of living things in nature.

VOA: special.2010.07.20