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A research team has found that seals off the coast of South Africa were attacking and eating sharks of the region. According to the team, they found that even the largest sharks have been fending off these seal attacks.

The team led by great white shark expert Chris Fallows found that the seals have not only added shark meat into their diets, but they have indicated that of the food chain in the open ocean could be different than scientists originally thought.

According to researchers of the team, they caught seals attacking and even eating sharks in December of 2012. At that time, the researcher Chris Fallows was about 20 nautical miles off the southwest shores of Cape Point.

A group of biohackers has tested a special liquid by injecting into the eyeballs of a volunteer that provided him night vision. In the injection, the liquid used was Chlorin e6 (or Ce6), chlorophyll analog, which is found in deep-sea fish known for having light-amplifying properties. The liquid was put into volunteer biochemist Gabriel Licina's eyes.

Licina said, "To me, it was a quick, greenish-black blur across my vision, and then it dissolved into my eyes". The experiment was successful and then after an hour, he was taken out in a dark field. He was made to perform a number of performance tasks in order to tests his night-vision.

Angelia Jolie, 39, announced that she has got her ovaries removed as a way to ovarian cancer.

The mother of six in a powerful op-ed for the New York Times wrote, "I feel feminine, and grounded in the choices I am making for myself and my family. I know my children will never have to say, Mom died of ovarian cancer".

Last week, Jolie underwent a laparoscopic bilateral salpingo-oophorectomy to remove her ovaries and fallopian tubes.

Op-ed by Jolie won huge praise from oncologists and health experts for bringing a number of sensitive issues into the public discussion. But it also raised several questions about the complex decision-making process faced by women at risk of ovarian cancer.

President Barack Obama on Friday announced an aggressive plan to fight against antibiotic-resistant bacteria. The move was adopted by the White House after it was reported that an estimated 2 million illnesses and 23,000 deaths happen every year in the United States.

President Obama also listed key goals to fight the spread of antibiotics-resistant microbes over the next five years.

The plan also outlined steps to prevent and contain antibiotic-resistant infections through better surveillance of superbugs. Also it asked to maintain the effectiveness of current and new drugs and even develop next-generation therapeutics.

Gilead Sciences Inc, an American biotechnology company that discovers, develops and commercializes therapeutics, said that its Chief Executive John Martin's total compensation package mounted 23% to about $19 million in 2014.

Because of its blockbuster hepatitis-C drug Sovaldi, revenue of the company was more than doubled in 2014, said the company. In 2013, total stock and option award of Mr. Martin was $13.6 million, up from $10.3 million.

According to the company, the board decided to increase his salary 2.4% to $1.6 million and was also given a bonus of $3.7 million, up 5% from 2013. Last year, sale of Gilead increased to $7.31 billion from $3.12 billion and its earnings mounted $3.46 billion from $ 787 million.

As per the New Scientist, deCODE Genetics have recently revealed some surprising facts about genetics of Icelanders.

As per scientists involved with the study, the data on genetic material collected is sufficient to warn Icelanders of their genetic health risks.

Kari Stefansson of deCODE Genetics said the study revealed that a majority of Iceland women had mutation in the BRCA2 breast cancer gene.

The insights from the latest research include a new gene linked with Alzheimer's disease. Stefansson believes that deCODE has now accumulated sufficient data about Icelanders that they can now debate as to how this might be used to identify people at risk of developing genetic disease.