Scientists place the devices around the lions' necks so they can follow their movements.

VOA: special.2009.05.05

The Interlife partnership is now able to offer a kidney transplant and follow-up treatment for around $4,550 - about half of what it used to be.

VOA: standard.2010.05.30

For six years, audiences around the globe tuned in to follow the adventures of the survivors of a plane crash, stranded on a mysterious and dangerous island.

VOA: standard.2010.05.25

At the same hearing, he says in one of the best studies used molecular fingerprinting to follow an outbreak of drug-resistant bacteria: "You actually can trace the specific bacteria around and they find that the resistant strains in humans match the resistant strains in the animals."

VOA: standard.2010.07.21