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Tiny particles formed from trace gases can seed open ocean clouds

Tiny particles formed from trace gases can seed open ocean clouds

Science
Jan. 22 (UPI) -- It doesn't take much to seed a cloud in the atmosphere above the open ocean, according to a new study published Friday in the journal Nature Communications. When sunlight reacts with trace gas molecules in the marine boundary layer, the half-a-mile-thick layer of atmosphere that sits above the open ocean, tiny aerosols are forged -- a process called new particle formation. Advertisement "When we say 'new particle formation,' we're talking about individual gas molecules, sometimes just a few atoms in size, reacting with sunlight," study co-author Chongai Kuang said in a news release. "It's interesting to think about how something of that scale can have such an impact on our climate -- on how much energy gets reflected or trapped in our atmosphere," said Kuang, a climate sc...
Google threatens to withdraw search engine from Australia

Google threatens to withdraw search engine from Australia

Technology
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Elephants counted from space for conservation

Elephants counted from space for conservation

Science
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Trump banned from YouTube over concerns of ‘ongoing potential for violence’

Trump banned from YouTube over concerns of ‘ongoing potential for violence’

Technology
Donald Trump has been banned from uploading videos on YouTube "in light of concerns about the ongoing potential for violence", the platform said.YouTube, which is owned by Google's parent company Alphabet, said it had removed new content from the president's channel on Tuesday for violating its policies. Mr Trump will be unable to upload anything "for a minimum of seven days", a spokesperson said.This means he will not be able to post any YouTube videos to his 2.76 million subscribers before Joe Biden replaces him on 20 January.The president uploaded eight new videos on Tuesday, including one which saw him telling reporters that "Big Tech had made a terrible mistake" by barring him. ...
Divers recover ‘black box’ from jet that crashed into sea as first victim identified

Divers recover ‘black box’ from jet that crashed into sea as first victim identified

World
Navy divers have recovered a "black box" from an Indonesian airliner which crashed into the Java Sea on Saturday with 62 people on board.TV pictures showed in inflatable boat carrying a large white container, which in turn was carrying the box. It was unclear whether it was the Boeing 737-500's flight data or cockpit voice recorder.The boxes were believed to be buried under sharp objects which needed to be removed first, Admiral Yudo Margono of the Indonesian navy said. They were thought to be about 75ft (23m) below the surface of the sea.A remotely-operated vehicle was sent to the location between Lancang and Laki islands, just north of the capital, Jakarta, and at least 160 divers were involved in the search. ...