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Sky gazers are going to be in for a celestial treat while staring at the moon on September 27, when a supermoon and a total lunar eclipse is going to take place. The full moon will be brighter as it is nearer to Earth in reality.

On Sunday, the moon will be around 31,000 miles closer to Earth, but won't be reaching its closest till Monday morning, known as a 'lunar perigee'. At 10:11 pm, the moon, Earth and the sun will line up in such a way that the Earth's shadow will totally obscure the moon. The total lunar eclipse will end at 11:23 pm, peaking at 10:47 pm.

This is going to mark four consecutive lunar eclipses since 2014, called a tetrad. Eight of these tetrads will be seen by the 21st century. There were no tetrads from 1600 to 1900.

While digging at rock a shelter in Brazil, scientists have found human decapitation evidence that dates back to more than 9,000 years. This is the oldest proof of human decapitation ever seen in the New World.

The researchers detailed their findings in the journal PLOS ONE on Wednesday. They believed that rather than a gruesome murder, this belonged to mysterious burial practice of the hunter-gatherers that passed through a settlement called Lapa do Santo. Prior to this, the oldest case of decapitation took place around 4,000 years ago in South America.

Scientists said that they have figured out that the enamel that covers our teeth was originated in the scales of ancient fish. They found this by examining the fossils of long-dead fish and the DNA of a range of creatures existing today.

A report on the new discovery was published online on Wednesday by the journal Nature. Enamel is our body's hardest tissue, composed almost all of calcium, phosphorus and other minerals. Enamel shields teeth while chewing and protects them from pain when encounter very cold or very hot things.

Enamel is present in almost all four-limbed creatures like mammals, birds, amphibians and reptiles. It is also present in so-called lobe-finned fish, some of which evolve and start walking and living on land.

On Tuesday, US Democratic presidential candidate Hillary Clinton proposed a $250 monthly cap on out-of-pocket prescription drug costs and other measures for stopping what she called ‘price gouging’ by pharmaceutical companies.

In Iowa, at a campaign stop, Clinton rolled out an idea to push the development and generic drugs use, and to stop pharmaceutical companies' ability to write off consumer-directed advertising as a business expense.

As a part of Clinton's plan, the monthly cap would put restrictions on what insurance companies could ask patients to pay for drugs used in the treatment of chronic or serious medical conditions.

The ‘Wolf of Wall Street’ star Leonardo DiCaprio is all set to join a campaign against global warming, while shedding his personal investments in fossil fuels, an activist group announced on Tuesday.

DiCaprio is learnt to have joined Divest-Invest Coalition. In the crusade against global warming, experts said, traditional energy producers are being convinced enough to cut down heat. Certain industrial players, however, have been terming the campaign as less focused and significant.

The campaign that saw hundreds of college students voicing concerns over fossil fuel holdings, in 2011, has come a long way in inspiring the market players to invest more in renewable energy resources.

Coca-Cola, the leading beverage company, disclosed its recent investments in health research in the US. The company claimed that it made an investment of $118.6 million on health research over the past five years.

The company is learnt to have recently pledged for funding of more such researches in the coming years and making the interments public. Earlier, the company made a huge investment in a Global Energy Balance Network.

The company’s move, however, is also being tagged as a cover-up exercise for the sugar-rich drinks it has been serving to the world and leaving the consumers obese.