The caterpillars were suspected to be African armyworms -- so named because they look like an army on the march.

VOA: special.2009.01.27

In two thousand eight Norway opened a so-called doomsday vault designed to be secure from any threat -- even an asteroid strike.

VOA: special.2010.08.24

Barbara Jordan became the first African-American woman to be elected to the United States Congress to represent Texas.

VOA: special.2010.05.09

But spending cuts in the eighty-five billion dollar budget might still not be enough to solve long-term problems.

VOA: special.2009.07.31

NASA said its astronaut candidates had to be between twenty-five and forty years old and in excellent health.

VOA: special.2009.06.10

She wanted to make sure she would be judged as a singer who happened to be black - not as a black singer.

VOA: special.2009.01.18

She had a husband and a daughter, but they didn't seem to be important--not either of 'em.

VOA: special.2010.05.15

I curate the Antarctic meteorite collection at the museum, so we have about nineteen thousand six hundred seventy-five to be, you know,really vague."

VOA: special.2010.07.28

Democrat Grover Cleveland -- who had lost to Harrison four years earlier -- would be president again.

VOA: special.2010.06.10

"We know that we want kids to be learning hands-on and make discoveries in their own backyard.

VOA: special.2011.07.11

Nominees for these academies must be seventeen to twenty-three years old, unmarried and with no children.

VOA: special.2009.06.04

It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.

VOA: special.2011.04.12

"It's better and better. It's very professional this year. It used to be more mediocre-type stuff.

VOA: special.2009.08.05

These are all examples where CPR with mouth-to-mouth breathing may be more helpful that hands-only CPR.

VOA: special.2009.06.09