Tech & Science Daily: The man behind historic Milky Way black hole image

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 (Event Horizon Telescope Collaboration via AP)
(Event Horizon Telescope Collaboration via AP)

Scientists revealed a mysterious donut-shaped giant black hole four million times bigger than the Sun at the centre of our Milky Way galaxy.

We speak with radio astronomy and astroparticle physics expert Professor Heino Falcke, who’s the man behind capturing the image of Sagittarius A*, a whirling, gaseous gravitational force 26,000 light-years away.

Professor Falcke co-founded the global Event Horizon Telescope.

Elon Musk announces his $44 billion acquisition of Twitter is on ice as he probes the number of spam and fake accounts on the social media platform.

The billionaire Tesla owner tweeted: “Twitter deal temporarily on hold pending details supporting calculation that spam/fake accounts do indeed represent less than 5% of users.”

Twitter shares plummeted 20% in pre-market trading in New York after the tweet.

Archaeologists have dug up some unusual objects at an oasis in Saudi Arabia - because these finds still had their scent after being buried in the sands for potentially over 2,000 years.

Hear Barbara Huber, a PhD student at Germany’s Max Planck Institute of Human History, an expert on the history of smell and sense, explain how she brought ancient smells back to life in the lab .

An official at a US finance watchdog International Organisation of Securities Commissions says global market regulators are likely to soon launch a body to better co-ordinate cryptocurrency rules. A study’s suggesting Netflix and Amazon’s show-picking recommendation algorithms could be used to help Earth’s satellites better analyse what they see. Plus, Eurovision broadcasters are working with telecomms companies to try and beam the whole event live over a 5G network for the first time. And, a newborn giraffe at San Diego Zoo Safari Park is up and walking as she made veterinary history after being fitted with leg braces, one of which was built by prosthetics experts who more usually help propel Paralympic athletes.

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