For some inventions, say the light bulb, everyone knows who invented it.
But at the U.S. Capitol on a hot July day, no one seemed to know who invented the air conditioner. Even as the statue of a man many call the air conditioner's inventor stood just down the hall.
After an hour or so of searching, Mike Veselik, from Chicago, came close to knowing.
"I know that a doctor from Florida came up with it, trying to stop people from having fevers I think it was," Veselik said.
The Justice Department announced today that it had made 52 people and charged 72 in connection with an international child pornography ring with members in countries from the United States to Serbia.
U.S. Attorney General Eric Holder said the operation was the largest of its kind and took almost two years to complete.
NPR's Carrie Johnson reports:
The early Earth had two moons instead of just one — our familiar moon, as well as a smaller companion moon that also rose and set in the sky for tens of millions of years.
That's according to a new theory that says this smaller moon eventually went careening into our moon and is still there, in the form of mountains on its far side.
Scientists have long puzzled over those mountains, and the fact that the two sides of our moon are very different. The near side has flat lowlands, while the far side is high and mountainous.
Originally published on Thu August 4, 2011 9:56 am
The White House unveiled its strategy to counter radicalization today, ending months of speculation about how President Obama intends to tackle the problem of violent extremism in this country.
What Washington was worried about and what many Americans have been haunted by has seemed out of synch in recent weeks.
The fiery Washington debate was about the debt-ceiling, while the concerns of millions of Americans was about jobs, either finding or keeping one.
For Washington Democrats, the debt ceiling debate was a distraction from the jobs message they view as key to their re-election efforts.