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A ban on smokeless tobacco use at sports fields gets approved from the San Francisco Board of Supervisors.

Supervisor Mark Farrell proposed the idea on health grounds. He was of the view that smokeless tobacco has no place in sporting events that are heavily attended by impressionable youth. He also affirmed that it has negative health effects.

Farrell said a decline has been seen in cigarette use among youth in the past few years. But he has not seen the same trend in smokeless tobacco use during that period. As per the ban, players, umpires, coaches and all others present at the field will not use smokeless tobacco on the premises.

The US Department of Agriculture’s Food Safety and Inspection Service revealed that Kayem Foods is recalling about 30 tons of fully cooked chicken sausage products that were sold at Trader Joe’s and other retailers. Kayem Foods has taken this step because there is a possibility that the products might be contaminated with pieces of plastic.

According to the agency, the chicken sausage products were produced on many dates last month. The products that are recalled are as follows:

• 12-oz. packages of Trader Joe’s brand ‘Sweet Apple Chicken Sausage’ and the case code is 9605 and use by/freeze by dates of ‘4 22 15,’ ‘4 25 15,’ and ‘4 29 15.’

The intergovernmental organization European Space Agency (ESA) has released a colored image of NGC 2359, which is an emission nebula in the constellation Canis Major. It is also known as Thor's Helmet. It has been given the name due to gas arches stemming out of the central bulge.

The image released by the space agency is a combination of two pictures that were captured by the EPIC cameras of ESA XMM-Newton space observatory and the Cerro Tololo Inter-American Observatory's Stars and Shadows Remote Observatory South. The bright color of the nebula could help the scientists to understand its composition.

Scientists in Bay Area are still confused about what killed an adult sperm whale after they performed a necropsy on the animal that was found dead at Sharp Park Beach.

The sperm whale about 49-foot-long was examined by a number of marine biologists, veterinarians, scientists and student volunteers. They were trying to figure out what killed the giant animal and how it got to the location near Mori Point.

The researchers said that it could take about a full day to determine the cause of death of the sperm whale. They concluded that the adult sperm whale was a male and it had exhibited signs of trauma.

Japan's maglev train has broken its own speed record. Operator JR Central said that the fastest passenger train in the world reached 375 miles per hour in a test run on Tuesday. In 2003, it had set a record of 361 mph.

The train has traveled for just over a mile at a speed of exceeding 373 mph. The Maglev Test Line, near Mount Fuji about 50 miles west of Tokyo, is in a development phase. This technology will be used on a future 250-mile link that will reduce the travel time between Tokyo and Osaka to just over an hour. Currently, it takes minimum around three hours by bullet train.

According to a study, microbeads that are found in personal care products are entering the Atlantic Ocean after coming from the state's sewage treatment plants. This could prove harmful for sea life. The study has been released by the state attorney general in favor of his push for a ban on the tiny plastic particles throughout the state.

According to New York's attorney general, it has been observed in some preliminary tests that microbeads are passing through several sewage treatment plants of the state and are entering waterways.