It relies on a network of 80 peddlers who make a living out of pedaling to recharge the lights or cell-phones of their neighbors.

VOA: standard.2010.02.24

While he acknowledges that there is much to be learned from alternative research methods like cell culture a process by which cells are taken from a living organism and grown under controlled conditions VandeBerg says they have learned a lot more from research on chimpanzees.

VOA: standard.2010.02.16