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According to a new report, millions of Americans choose commercial weight-loss programs in order to shed excessive pounds. But still little scientific evidence is there to show whether these plans can help keep weight off for the long-term.

According to experts, only two out of 32 major commercial weight-loss programs marketed nationwide have scientific evidence to show that their clients maintain weight loss for minimum a year. As per researchers, the two that have evidence are Weight Watchers and Jenny Craig.

Scientists at the National Radio Astronomy Observatory have objected the proposal set by iRobot Corp. for selling lawnmowers guided by radio waves. According to the scientists, machines might interfere with the ultra-sensitive radio telescopes they are using to study the universe.

iRobot is known for its self-guided Roomba vacuum cleaners and bomb-disposal equipment. The company filed a request with the US Federal Communications Commission (FCC) to use airwaves for robot lawn mowers to be guided wirelessly.

The company filed for permission to market its lawnmower robot as it needs fixed wireless infrastructure to map its route around a lawn. Other robotic lawnmowers typically use hard-wired fences to keep the bots in place.

The National Aeronautics and Space Administration (NASA) has been planning to launch its Space Launch System (SLS) into orbit. The mission includes a number of science experiments above a low orbit around the earth. The experiments include launching of some nano satellites into space.

The SLS is the space agency's heavy-lift launch rocket, which is the strongest rocket booster system the agency has ever built. Earlier, the system successfully completed a number of ground operations. According to the agency, the SLS is all set to try out its space proficiencies. As per reports, the system could be helpful in taking cargo and many other items to space.

Native Hawaiian groups are opposing scientists who have been hoping to see celestial objects as far as 13 billion light years away. According to the scientists, if they succeed in seeing 13 billion light years away, they will be able to see in the early years of the universe, but Native Hawaiian groups said that the construction site of a new telescope is on sacred land.

On Thursday, hundreds of protesters gathered at the mountain and started opposing the new project. Police arrested more than 10 people who according to the police were trying to block a road that led to the summit of Mauna Kea on Hawaii's Big Island. Eleven more protestors were arrested by the police at the top of the peak, according to reports.

Pinterest allows people share ideas and creativity and also get inspired with them. The website has grown tremendously over the past few years and has raised funds from investors to grow in new markets. Pinterest is a web and mobile application that operates an eponymous photo sharing platform. The company recently celebrated its fifth birthday.

Pinterest was recently valued at $11 billion. Mainly, its audience has always been female, and the company said that it's becoming popular in men also during the past two quarters.

The company is doing well in the increasingly popular social-mobile space and is experiencing a healthy expansion overseas. The majority of 'pinners' connect from mobile devices in social-mobile space.

The US attorney's office in Chicago shared that Tuesday's regional election will be monitored. They will also field any complaints alleging voting fraud. Chicago Mayor Rahm Emanuel is looking for second term.

Emanuel will be in an election runoff against Cook County Commissioner Jesus Garcia. It is just after falling brief of the required majority to win February's election. There is an extended-standing federal practice in order to monitor elections and to take calls from those who think that their voting rights have been violated.