*_World Current affairs_*

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✩ Scientists in China have successfully used its quantum satellite to transmit 'entangled photons' from its orbit covering a record distance of over 1200 km between two ground-based stations

✩ US-based researchers have provided first-ever measurements to confirm that lighting can be more powerful over ocean than land. The study found the duration of cloud-to-ground lightning lower for ocean strikes, signalling they carry more charge from the oceans

✩ In the wake of skyrocketing rents in the Silicon Valley, Google has ordered 300 units of modular apartments for its employees from a startup called Factory OS, in a deal worth up to $30 million

✩ Swedish startup Wheelys is launching a 24x7 open self-driving store called 'Moby Mart' in China's Shanghai. The store uses artificial intelligence and computer vision to navigate streets and carries items like fresh food, sneakers and magazines.

✩ May 2017 was the second warmest May in 137 years of record keeping, according to a monthly analysis of global temperatures by NASA. May 2016 was the hottest, being 0.05°C warmer than this year's May and 0.93°C warmer than the mean May temperature.

✩ Apple said its second green bond is meant to show that businesses are still committed to the goals of the Paris deal.

✩ Nishita Purohit, a national-level basketball player, led the list of toppers in the All India Institute of Medical Sciences (AIIMS) MBBS entrance examination 2017

✩ Finnish mobile game and animation studio Rovio, maker of the Angry Birds game, said it could list on the stock exchange in the future, while declining comment on a media report that China's Tencent Holdings was looking to acquire the company.

✩ Chinese bike-sharing start-up Mobike said it has raised $600 million in a financing round led by Tencent Holdings Ltd, its biggest financing round to date as it seeks to expand aggressively.

✩ A Chinese quantum satellite has dispatched transmissions over a distance of 1,200 km (746 miles), a dozen times further than the previous record, a breakthrough in a technology that could be used to deliver secure messages, said by state media.

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