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Jose Chua Lopez needs an urgent heart and liver transplant for which his relatives and friends have managed to raise the amount required for the transplant. Chua has a heart defect since he was born. He has been twice denied for a US visa, and according to his doctor, his condition is dangerous.

Chua said, "They denied me the visa and my world has fallen down. This needs to be fixed quickly". According to his mother Myra Lopez Martinez, in 10 days, Chua has an appointment at the Mayo Clinic in Rochester, Minnesota. However, Chua's visa application was not accepted for the second time by the US State Department on Tuesday.

The State Department didn't make any comment on the case, saying they can't say anything due to confidential rules.

Experts have warned that buying breast milk puts health of babies at risk. Many studies have already highlighted benefits of breast milk. But as many mothers struggle to breastfeed their babies, they resort to purchase of human breast milk on the internet. The market of online breast milk has seen immense growth in recent years.

The price of online breast milk is cheaper than buying from regulated milk banks. The experts explained that milk should be tested for diseases, like hepatitis B and C, HIV and human T cell lymphotropic virus and syphilis.

Bacterial growth was previously shown by a study in the milk purchased online because of lack of pasteurization and poor shipping and storage. Only nine out of 101 samples were free from bacterial growth.

The Hawaiian Volcano Observatory has dropped the warning alert which it previously raised for the Puna lava flow in Hawaii. The place has now been reported to not facing any potential volcanic eruption dangers. WFSB has reported that the lava showed huge signs of descent.

The warning has been taken down but it does not mean the volcanoes are not active in Hawaii. Puu 'O'o vent on Kilauea Volcano's East Rift Zone and in Halemaumau Crater are very active volcanoes. Although they continue to throw out lava, no imminent danger is being posed by them. Lava is currently reaching to upper four miles of these active volcanoes, so chances are very low to cause any harm to the people or the surrounding areas.

NASA has successfully launched the super-pressure balloon (SPB) at Wanaka Airport. The balloon was lifted off around 10.15 am and will continue to inflate and increase in size when it will go to 33 kilometers above Earth.

Mission boss Debbie Fairbrother said that even after 15 years working with the Columbia Science Balloon Facility, she still feels excitement at the time of watching a launch.

She said it was 'dream scenario' to get airborne on the second attempt and said that an aborted effort on Monday would have been a good trial.

Fairbrother said, "The launch was great. Now we gotta get it to float. It's a test balloon. We gotta get it up to the right altitude. It has to deploy properly and depressurize".

Twitter on Thursday launched a new application Periscope, a move that could dampen enthusiasm for the rising online star Meerkat, which offers a similar service.

The Periscope app is a streaming video application like Meerkat, allows anyone to stream live video to a wide audience with their Smartphone.

Twitter's Kevin Weil said in a blog post that the new app enables to share and experience live video from mobile phone and is also perfect complement to Twitter.

The team associated with development of the Periscope app outlined a range of possibilities for the service, including how it can turn any smartphone user into a global reporter.

A new report has revealed that biotechnology, big data and undersea systems are among the areas that have been identified by the Defense Advanced Research Projects Agency (DARPA) as key to move America's technology forward.

Bi-annual ‘Breakthrough Technologies for National Security’ report of the agency works as an analysis of latest DARPA work. It also works as a guide for what areas the agency look forward to invest in over the coming years.

DARPA director Arati Prabhakar said, “All of those are signs of a Defense Department that is taking a fresh look at the world. There is need to take that fresh look again after this intense period of particular focus on two ground wars”.