| Oct 21, 2013
| 5:05 PM
Lawrence Klein, the University of Pennsylvania economist who won the 1980 Nobel Prize for his computer-based models that help governments forecast the future and act accordingly, died Sunday at his home in Gladwyne, Pa. He was 93.
His family announced...
| Sep 24, 2013
| 12:23 PM
Ruth Patrick, a scientist whose research on freshwater ecosystems led to groundbreaking ways to measure pollution in rivers and streams, has died. She was 105.
Patrick, recipient of dozens of the nation's top science awards including the National...
| Sep 28, 2013
| 8:00 AM
A pharmaceutical mogul who traveled the world collecting objects made by native artists and left them to a trust in London probably never would have guessed that 30,000 of those works would end up at UCLA's Fowler Museum.
Now, with the museum turning 50...
| Nov 5, 2013
| 1:24 PM
Treating low testosterone may be all the rage these days among men of a certain age. But men bothered by a midlife dip in energy and sex drive may want to think twice about bumping up their "low T" with a testosterone supplement, a new study says.
| Nov 7, 2013
| 9:17 AM
I first met Albert Camus in the fall of 1980, when I was a freshman at the University of Pennsylvania. I say met because it felt that personal to me. His 1942 provocation “The Myth of Sisyphus” was the lead-off text in a course I was taking on...
| Nov 11, 2013
| 1:22 PM
Movies aimed at teenagers now include more scenes of gun violence than films made for adults, new research shows.
In 2012, box office hits that received a PG-13 rating from the Motion Picture Assn. of America contained an average of more than 2.5...
| Nov 14, 2013
| 11:26 AM
When it comes to evolutionary debates, this one is a major dogfight.
Since the time of Charles Darwin, scientists have argued over the origin of domesticated dogs, speculating wildly about how, when and where a toothy, flesh-eating beast was first...
| Nov 16, 2013
| 5:00 AM
SAN FRANCISCO — Snapchat is not even 3 years old. It's run by a couple of twentysomethings with no prior business experience. And it has never made a cent.
Yet investors are fighting for the opportunity to throw hundreds of millions at the...
| Nov 18, 2013
| 10:47 AM
College students who cheated on a simple task were more likely to want government jobs, researchers from Harvard University and the University of Pennsylvania found in a study of hundreds of students in Bangalore, India.
Their results, recently released...
| Nov 20, 2013
| 10:12 AM
The very best piece of writing I’ve encountered on Twitter comes from a feed called NeinQuarterly.
Here it is: “At Starbucks I order under the name Godot. Then leave.”
That’s an almost perfect use of Twitter as a platform:...
| Aug 22, 2013
| 6:46 PM
Obese is bad and lean is good. End of story, right?
Wrong, say a pair of University of Pennsylvania physicians and obesity researchers who are calling for better ways to assess individual health prospects than the body mass index, or BMI.