On Wednesday, in honor of footballs that are inflated, we must discuss extra points. The NFL is monkeying around with the extra point again. You think it should? Do you have a better idea? Do we even need an extra point? Why do we have an extra point?

Well, the extra point is vestigial, a leftover from the good old 19th century days when football had identity problems and couldn't decide whether or not it was rugby. Or something. At that point, in fact, what was sort of the extra point counted more than the touchdown itself.

More adults across the country are strapping on helmets and hopping on bikes to get to work. That's good news for people's hearts and waistlines, but it also means more visits to the emergency room.

Hospital admissions because of bike injuries more than doubled between 1998 and 2013, doctors reported Tuesday in JAMA, the journal of the American Medical Association. And the rise was the biggest with bikers age 45 and over.

Carly Fiorina was relegated to the JV squad in the Fox News GOP presidential debate in August, but her strong performance that night helped her race past several of her peers in recent polls.

That surge in polling wasn't enough to get her into the next big debate — but it might be now.

That's because CNN Tuesday afternoon changed its criteria for who will get into its main Sept. 16 debate in such a way that Fiorina is much more likely to be included.

Both the Nasdaq and the Dow Jones index were hit by losses Tuesday, as concerns again rose about China's economy. The Dow is now down nearly 10 percent in 2015, after falling 469 points Tuesday to close at 16,058.

Markets in Europe and Asia also suffered, after renewed worries about a slowdown in China, the world's second-largest economy.

"The latest evidence is China's purchasing manager's index," NPR's John Ydstie reports, "which shows the country's manufacturing sector contracting."

The largest fish farm in America could be built 4 miles off San Diego's coast.

Rose Canyon Fisheries could have a footprint on the ocean floor of 1.3 square miles, about the same size as New York's Central Park. The goal is to produce 11 million pounds of yellowtail and sea bass each year.

More than a month after his trial on murder charges ended in a mistrial for the second time, former Eutawville, S.C., police Chief Richard Combs has been sentenced to a year of home detention. Combs agreed to plead guilty to misconduct in office Tuesday.

Combs, who is white, was the head of the police department in the small town of Eutawville back in May 2011, when he shot and killed 54-year-old Bernard Bailey, who was black, as Bailey tried to drive away from the Eutawville Police Department.

We all harbor biases — subconsciously, at least. We may automatically associate men with law enforcement work, for example, or women with children and family. In the workplace, these biases can affect managers' hiring and promotion decisions.

So when Pete Sinclair, who's chief of operations at the cybersecurity firm RedSeal, realized that — like many other Silicon Valley companies — his company had very few female engineers and few employees who weren't white, Chinese or Indian, he wanted to do something about it.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

Take a trip to The Mob Museum in Las Vegas and you'll find exhibits on gangsters, corruption, killers, crime bosses, drug traffickers — and, now, the international governing body of soccer.

Tuesday, the much maligned FIFA Congress finds itself alongside the likes of the Mafia and drug cartels, thanks to the opening of a new, temporary exhibit called "The 'Beautiful Game' Turns Ugly."

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