In his first observations from Mount Wilson, Hubble used a telescope with a mirror one hundred fifty-two centimeters across.

VOA: special.2009.04.29

For example, in nineteen twenty-one, a Swiss doctor, Walter Morgenthaler published a book about the art of his patient, Adolf Wolfli.

VOA: special.2010.04.14

A reputation -- what people think of you, good or bad -- is built one message at a time.

VOA: special.2011.07.22

But they reflect the Obama administration's commitment to a new approach to development -- one based on investment,not aid.

VOA: special.2010.05.10

Farm workers and others who said they often used pesticides had a forty-one percent greater risk of Parkinson's than other people.

VOA: special.2009.04.07

But as one doctor advises her patients, becoming a non-smoker is one way to gain control of your life.

VOA: special.2010.03.09

"Mississippi Masala" was a nineteen ninety-one film about an ethnic Indian family exiled from Uganda when Idi Amin comes to power.

VOA: special.2009.05.04

A low-fat diet is one in which less than thirty percent of a person's daily calorie intake comes from fat.

VOA: special.2011.07.05

Helen was their first child. Until she was a year-and-one-half old, Helen Keller was just like any other child.

VOA: special.2009.11.08

So what happens? He gets a title shot outdoors in the ballpark, and what do I get, a one-way ticket to Palookaville.

VOA: special.2009.11.30

He offered ten thousand dollars to anyone willing to follow him on a one-day climb without a rope.

VOA: special.2009.12.09

"Probably,for a one-hundred-fifty-thousand-dollar- a-year employee it would cost me in the range of ten to fifteen thousand dollars."

VOA: special.2011.05.13

The researchers said tPA improved the chances of a successful result by thirty-one percent and produced no change in the death rate.

VOA: special.2009.09.22

The famous actor Bela Lugosi played Count Dracula first in the theater, then in a nineteen thirty-one movie version of the book.

VOA: special.2010.01.20