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London, Feb. 21 - Astronomers have revealed that black holes emit ferocious winds that eventually drives away galaxy's reservoir of molecular gas, the raw material that is needed for stars to form.

Astronomers have discovered that the winds from supermassive black holes at the center of galaxies blow outward in all directions, a suspected phenomenon that had been difficult to prove before now.

The new findings, by an international team of astrophysicists, were made possible by simultaneous observations of the luminous quasar PDS 456 with ESA's XMM-Newton and NASA's NuSTAR X-ray telescopes, and support the picture of black holes having a significant impact on star formation in their host galaxies.

Wellington, Feb 21 - The long awaited mega bout between unbeaten US boxing champion Floyd Mayweather Jr and Filipino politician and boxer Manny Pacquiao has finally been agreed upon and it is reportedly projected to be the most lucrative bout ever in the sport's history.

Mayweather revealed that the long awaited bout, which had been more than five years in the making, would take place in Las Vegas on May 2.

Showtime and HBO would jointly broadcast the bout, which is one of the most eagerly anticipated in boxing since the classic 1975 'Thrilla in Manila' between Muhammad Ali and Joe Frazier , Stuff. co. nz reported.

Wellington, Feb 21 - Kanye West has revealed about the friendship between his wife Kim Kardashian and Beyonce, saying that the 33-year-old singer keeps pictures of the reality star on her wall.

Los Angeles: Mexican beauty Salma Hayek thinks she has lost roles because of her body frame.

The 48-year-old actress said hourglass figure has its own pros and cons, reported Fox News.

"If you think about it, I'm limited by the way I talk and by the way I look. Also, for those who have never seen me in person, I'm quite short. I have an overly ... Wavy body.

"I'm not like the girl next door who is easy to cast. I don't fit into any of the stereotypes of a woman that should continue to work," she said.

Hayek added that her age has also caused roles to drop off through the years.

"Amazing, talented people (stop finding work) at 32, 33 sometimes!. Not so much in London, but in the US it's crazy," she said.

New Delhi: Star batsman Virat Kohli on Friday became the second most followed Indian sportsperson on 'Facebook' behind iconic Sachin Tendulkar as he crossed the 20-million mark, the social networking site said.

26-year-old Kohli, the first Indian batsman to score a century against arch-rivals Pakistan in a World Cup match in the 76-run victory on February 15, currently has 20,002,000 followers on Facebook. He is the second Indian sportsperson to cross 20 million benchmark behind Tendulkar who currently has 24,775,138 followers.

Globally, Kohli is listed at 20th position, while Tendulkar occupies 13th spot in the list of sportspersons who have maximum followers on Facebook.

Beijing: The air pollution reached "dangerous levels" in 106 Chinese cities due to use of fireworks and firecrackers during the celebrations welcoming the Lunar New Year, according to a report.

On the eve of New Year on Wednesday night, the Air quality index (AQI) surpassed 300 in 106 cities, state-run Xinhua news agency reported.

Based on China's standard, an AQI between 201 and 300 is considered "heavy pollution", and an AQI of over 300 is defined as "serious".

The China National Environmental Monitoring Center (CNEMC) put the number of air-polluted cities at 201 from Wednesday night to the daytime of Thursday.

More than 40 of them saw "serious pollution."

But parched Beijing had its first snowfall on the first day of the Lunar New Year yesterday afternoon.