Another concern is that trade partners may consider the G.M.rescue a form of government support barred by free trade agreements.

VOA: special.2009.06.05

As many as one hundred crystals may join to form a snowflake larger than two and one-half centimeters.

VOA: special.2011.01.11

Snowflakes come in different sizes. As many as one hundred crystals may join together to form a snowflake larger than two and one-half centimeters.

VOA: special.2010.01.05

The shape of a snow crystal may change from one form to another as the crystal passes through levels of air with different temperatures.

VOA: special.2010.01.05

Soft corals do not form reefs, but may be present in a coral reef ecosystem.

VOA: special.2010.08.10

The U.S.Centers for Disease Control says a form of autism may affect one in every 150 American children.

VOA: standard.2010.08.09