It was a place where people owned things that they did not know how to use.

VOA: special.2010.01.03

They knew how to make iron. They knew how to use steam engines and other machinery.

VOA: special.2009.04.16

And how the systems that we have designed for the house and we've used for the house how efficient they are and how little energy they use."

VOA: special.2009.10.27

They study records and advise the public about how groups use their donations.

VOA: special.2009.11.02

"In the Philippines and all over Asia, fertilizer has been overused and misused because no one explains to them how much they need or how to use it."

VOA: standard.2010.07.28

Ruhli and his team of researchers at the Swiss Mummy Institute have just completed the first feasibility study of how they could use the technology to reveal a mummy's secrets, without damaging the mummy.

VOA: standard.2010.05.05