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You may have seen zombies in Hollywood movies biting and eating humans. According to Cornell University researchers, to stay away from the flesh-eating ghouls, people should get out of the town. The researchers said that there are possibilities that lumbering dead ones will start spreading their maddening state to normal United States residents. People can stay alive by heading to the hills, as per the researchers.

The World Health Organization (WHO) has suggested that people should reduce their sugar intake to six to 12 teaspoons per day. In newly introduced guidelines, the WHO stated that the world is consuming too much sugar.

The guidelines support the draft released last year. It focused on additional sugars present in processed food like honey, syrups and fruit juices. The recommendation to limit the intake does not comply with naturally occurring sugars present in fruit, vegetables and milk because these sugars have essential nutrients.

"We have solid evidence that keeping intake of (added) sugars to less than 10 percent of total energy intake reduces the risk of overweight, obesity and tooth decay", said Francesco Branca, director of WHO's nutrition department.

A team of researchers from the University of Southern California after monitoring the impact of contaminated air around Los Angles said the improvement of air quality in the areas has led to better health among children.

Findings of the 20-year study were published in The New England Journal of Medicine. The study included more than 2,000 children between the ages of 11 and 15.

Researchers associated with the study informed that the participants of the study lived in four inland cities where wind patterns and topography traps the air pollution, and the coastal city of Long Beach.

Lead author James Gauderman said in a statement that the levels of fine particulates were down by 50% in these areas. He said the nitrogen dioxide levels were also found to be down by one-third.

British and Chinese scientists have created a self-cleaning, waterproof paint. The paint is believed to eliminate the need of washing clothes, car or windows ever again as they will remain clean in future.

The researchers from University College London, Imperial College London, and Dalian University of Technology in China said all that is needed is to apply the coating to steel, clothes or paper and mix with adhesives. It is very effective and maintains its self-cleaning properties even when scrapped or scratched with a knife.

The Federal government is coming up with a new project, Canada's National Conservation Plan. Under this project, the government will spend $6.4 million over five years.

With this project, the government aims to 'restore ecological integrity and connect Canadians with nature'. As part of the project, a small herd of plains bison will be reintroduced in Banff National Park.

Bison are missing from the park since the park's establishment. Plain bison is an important species, as it once played an important role in the park's monotone ecosystem. Under the project, Parks Canada will invite First Nations to share their knowledge about the animals and to take part in stewardship, management and celebrations.

Astronomers of the National Aeronautics and Space Administration (NASA) discovered a new exoplanet which is attached to four parent stars. According to reports, the exoplanet is about 136 light-years away and has been found by using a new instrument developed with Indian collaboration. The astronomers also discovered another planet in the care of a three star family, the reports stated.

As per the reports, the astronomers had made the discoveries by using a new Robo-AO adaptive optics system, which was developed by the Inter-University Center for Astronomy and Astrophysics in India, and the California Institute of Technology.