Miz Teutonico's team will study materials used in the paintings in an effort to solve the mystery.

VOA: special.2009.12.15

Also,the Spanish introduced materials and methods used in Europe, including the potter's wheel.

VOA: special.2009.09.09

China's Education Ministry also provides books and other materials.

VOA: special.2010.02.04

The new law would lift tariffs on some of the materials U.S.companies must import to make their products.

VOA: standard.2010.08.11

Yu said participating in PSI will help control North Korea's development of dangerous nuclear materials.

VOA: standard.2009.05.26

And in fact growing worldwide for that reason." Harry Atwater's description of his new design for solar cells is published in the journal Nature Materials.

VOA: standard.2010.02.19

Days after signing a deal to cut U.S.and Russian nuclear arsenals, President Obama hopes to strengthen global resolve to safeguard nuclear stockpiles and keep radioactive materials out of the hands of terrorist groups and rogue states.

VOA: standard.2010.04.11

(Speaking) Mikhail Khodorkovsky, the imprisoned Kremlin critic and former head of the Yukos Oil Company, in a recent op-ed column, said Russia's demand for skills in fundamental and applied sciences is declining in light of the appetite for raw materials and corruption.

VOA: standard.2010.02.03

"With this blockade against building materials, it seems hard to see how America's pledge of $10 million is going to make any difference unless, because of the close relationship between America and Israel, there's some kind of agreement that this $10 million for UNRWA schools in Gaza will go through."

VOA: standard.2010.06.17