Formula One may need to reconsider its decision to award double points for the final race of the season after a fan backlash, says Mercedes executive director Toto Wolff.

After Red Bull's Sebastian Vettel won the title for a fourth straight year and with three races to go, F1 tweaked the rules by doubling the points for the final race in a move aimed at keeping fans and TV viewers interested until the season's end.

One of every 10 clinical trials for adults with cancer ends prematurely because researchers can't get enough people to test new treatments, scientists report.

The surprisingly high rate reveals not just the scope and cost of wasted opportunities that deprive patients of potential advances, but also the extent of barriers such as money, logistics and even the mistaken fear that people won't get the best care if they join one of these experiments.

Apple reshaped technology and society when Steve Jobs unveiled the iPhone seven years ago. Now, the trend-setting company is losing ground to rivals that offer what Apple has stubbornly refused to make: smartphones with lower prices and larger screens than the iPhone.

The void in Apple's lineup is a major reason why the company's quarterly revenue may be about to fall for the first time in more than a decade, much to the dismay of investors who are worried that Apple Inc. is losing its verve and vision.

A 300-year-old "priceless" Stradivarius violin was stolen from the Milwaukee Symphony Orchestra's concertmaster during an armed robbery after a performance at a local Lutheran college, police said Tuesday.

The rare violin was on loan to concertmaster Frank Almond. The robber used a stun gun on Almond and took the instrument from him shortly before 10:30 p.m. Monday in a parking lot in the rear of Wisconsin Lutheran College, where Almond had just preformed, Police Chief Edward Flynn said.

Miley Cyrus is mashing things up with Madonna for MTV.

The 21-year-old pop star and the 55-year-old Queen of Pop grinded and grabbed each other as they performed Cyrus' hit "We Can't Stop" and Madonna's 2000 track "Don't Tell Me" Tuesday during a taping in Hollywood. The "MTV Unplugged" special that closes with the duet is set to air Wednesday.

Neymar's father said Tuesday that Barcelona paid his company 10 million euros in 2011 to guarantee the right to sign the talented Brazilian player.

The revelation provided the latest insight into the high-profile transfer that led to the resignation of Barcelona President Sandro Rosell last week amid allegations he hid the real cost of the deal in false contracts.

The Musicians Hall of Fame inducted 12 new members across the genres, including bluesman Buddy Guy, British rock guitarist Peter Frampton and pedal steel player and country singer Barbara Mandrell.

Also inducted during Tuesday's ceremony in Nashville were Randy Bachman from The Guess Who and Bachman Turner Overdrive, country musician Jimmy Capps, bass guitarist Will Lee, rhythm guitarist Corki Casey O'Dell and country guitarist Velma Smith. Posthumous inductions went to Stevie Ray Vaughan, along with his band Double Trouble, and pedal steel guitarist Ben Keith.

Real Madrid beat 10-man Espanyol 1-0 at home Tuesday to advance to the semifinals of the Copa del Rey with a 2-0 aggregate score.

Having won the first leg 1-0 in Barcelona, Madrid entered the match at the Santiago Bernabeu Stadium already in control and quickly sealed its place in the semifinals when Jese Rodriguez scored in the seventh minute.

The price of oil fell Wednesday, dragged down by expectations of rising crude inventories and a further cut in U.S. central bank stimulus.

Benchmark U.S. crude for March delivery was down 14 cents to $97.27 a barrel at 0510 GMT in electronic trading on the New York Mercantile Exchange. The contract surged 1.8 percent or $1.69 to close at $97.41 a barrel on Tuesday.

Arsenal's title push was slowed by a draw at Southampton, Liverpool humbled neighbor Everton and Robin van Persie made a goal-scoring return from injury for Manchester United on a lively night in the Premier League on Tuesday.

Arsenal clung on to a 2-2 draw at Southampton with 10 men after Mathieu Flamini was sent off in the 80th minute for a two-footed tackle.