Microsoft is so confident it has the Internet's best email service that it's about spend at least $30 million to send its message across the U.S.

The barrage begins Tuesday when Microsoft's twist on email, Outlook.com, escalates an assault on rival services from Google Inc., Yahoo Inc., AOL Inc. and a long list of Internet service providers.

A Palestinian group said Tuesday hundreds of Palestinians in Israeli jails are refusing food for one day in solidarity with four other inmates who are on hunger strike.

The move could escalate a brewing crisis. One of the four hunger-striking Palestinians is 35-year-oldSamer Issawi whose health has severely deteriorated after he has refused food, on-and-off, for more than 200 days.

With scant snowfall and barren ski slopes in parts of the U.S. Midwest and Northeast the past couple of years, some scientists have pointed to global warming as the culprit.

Then, when a whopper of a blizzard smacked the Northeast with more than 2 feet (0.6 meters) of snow in some places earlier this month, some of the same people again blamed global warming.

Pianist Herbie Hancock will celebrate the special connection between Turkey and jazz music forged decades ago when the Turkish ambassador opened his residence to white and black musicians at a time when segregation held sway in the U.S. capital.

Hancock, a UNESCO Goodwill Ambassador, is organizing a gala concert with jazz stars from around the world on April 30 at the famed Hagia Irene in the outer courtyard of Topkapi Palace in Istanbul, which has been designated the host city for the second annual U.N.-sanctioned International Jazz Day.

Letters from John Lennon's killer detailing his obsession with the novel "The Catcher in the Rye" to the police officer who arrested him went on sale Monday through a Los Angeles auction house.

The four missives from Mark David Chapman to Stephen Spiro are for sale through Moments In Time, which specializes in historical documents and rare autographs, at a fixed price of $75,000, auction house owner Gary Zimet said. Zimet is selling the letters on behalf of Spiro, who arrested Chapman on Dec. 8, 1980, shortly after he shot Lennon outside The Dakota, the ex-Beatle's Manhattan apartment building.

These museum goers didn't just leave their outerwear at the coat check. They handed over their shirts, trousers, underwear — everything, except their shoes and socks.

The occasion Monday at Vienna's Leopold Museum was a special after-hour showing of "Nude Men from 1800 to Today" — an exhibit of 300 paintings, photographs, drawings and sculptures focused on the bare male.

Belgians went on a boar hunt and at first it looked like no contest: 200 hunters vs. 170 wild boars. Yet in the end, only one boar was slain.

As hunter Jef Schrijvers said after a frustrating day: "The boars won. The hunters lost."

With her escape-artist antics now caught on video, a horse in Michigan is being dubbed the "Houdini Horse" thanks to her knack for opening stall doors.

The 9-year-old horse named Mariska somehow learned to open latches at Misty Meadow Farms near Midland in central Michigan.

Rafael Nadal is drawing inspiration from Brazilian football great Ronaldo to continue his successful return from injury.

With Ronaldo watching, Nadal took an important step on Sunday by winning the Brazil Open for his first title after a seven-month layoff to treat his left knee. Now he wants to repeat the Brazilian's successful story of recovery from much more serious injuries.

Angered by criticism of Arsenal and claims about his future, Arsene Wenger's irritation boiled over publicly ahead of Tuesday's Champions League showdown with Bayern Munich.

Arsenal's last chance to end a trophy drought stretching back to 2005 is in Europe after being knocked out of the FA Cup by second-tier Blackburn on Saturday.