They observed that for every molecule of carbon dioxide taken in by the plants, they lost forty-four percent less water.

VOA: special.2010.01.26

Last week,we told how John Carter observed a fierce battle between the green Martians and a race of red, human-like creatures.

VOA: special.2010.07.31

He had observed that students at colleges across the country had been organizing "teach-in" demonstrations to protest the war in Vietnam.

VOA: special.2010.04.21

New York had the lowest rate, at seventy-nine percent of the adults observed at Grand Central Station and Penn Station.

VOA: special.2010.09.29

The researchers compared cotinine levels to behavioral problems that parents observed in the children during a 2-week period.

VOA: special.2009.01.13

They observed that the effect was even greater than the effect reported earlier for walking in high heels.

VOA: special.2010.02.03

This week on our program, we tell you about some fiftieth anniversaries that are being observed this year.

VOA: special.2009.04.06

It observed Motown's fiftieth anniversary in January with ceremonies at the Motown Historical Museum in Detroit.

VOA: special.2009.05.11

More than two thousand years ago, the Roman naturalist Pliny the Elder observed its harmful effects.

VOA: special.2009.11.17

Earlier this month, on July twelfth, Neptune reached the same area in the sky that it occupied when it was first observed by Johann Galle.

VOA: special.2011.07.27

Scientists took the eggs to a laboratory where they could be protected and closely observed.

VOA: special.2009.12.16

The infections observed in the bees included Israeli acute paralysis virus and deformed wing virus.

VOA: special.2009.09.22

In an earlier study, seven thousand people were observed for an average of seven years.

VOA: special.2010.03.09

The British scientists had requested the pictures to learn if the shark was the same fish they had observed on their side of the Atlantic.

VOA: special.2009.06.16