Judges for this contest studied how each design looks and how it uses new technologies and materials.

VOA: special.2010.03.31

Language expert Barry Popik studied the question and wrote about it on his Web site.

VOA: special.2009.12.27

It studied the effects of treadle pumps in the Indian state of Uttar Pradesh.

VOA: special.2009.08.17

LCROSS studied the soil before it too crashed into the moon.

VOA: special.2009.12.30

Researchers at Wake Forest University looked at a certain protein that regulates iron and studied the amount of it in breast cancer cells.

VOA: standard.2010.08.05