By precisely measuring footfalls, scientists discovered that healthy human feet bend and flatten much like the feet of tree-dwelling apes. And the flex in one person's foot can vary a lot from one step to the next.
Alberto Carvalho runs the nation's fourth largest school district — Miami Dade Public Schools. Since he took over four years ago, the district's turnaround has been nothing short of "miraculous", or so his supporters say. During his tenure the dropout rate has plummeted. The high school graduation rate has climbed to record levels and test scores for all students are way up. How did Carvalho do it?
A massive wildfire is continuing to burn near the resort towns of Ketchum and Sun Valley in Idaho. While some evacuees have been allowed to return to their homes, the fire could burn until the first snows come this fall.
Audie Cornish talks with Republican Congressman Jim Sensenbrenner. Rep. Sensenbrenner, a key architect of the 2001 Patriot Act, has recently criticized the National Security Agency's data collecting practices following this summer's leaks regarding the scope of the agency's programs.
The prosecution has wrapped up its case against the former psychiatrist accused of opening fire at Fort Hood, killing 13 people. Army Maj. Nidal Hasan, who is representing himself, will present his case beginning tomorrow.
Embattled San Diego mayor Bob Filner and attorneys met Tuesday about his future as the leader of the city. The mayor is under pressure to resign following allegations of sexual harassment by at least 16 women. Meanwhile, a recall petition drive is under way while the mayor's supporters try to counter criticism.
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