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Trump's Deputy CTO on immigrant workers 02:27
A View from the White House 23:50
This week’s most thought-provoking papers from the Physics arXiv.
We throw away a third of all our fruit and vegetables. California-based firm Apeel wants to change that with a natural coating that keeps produce fresher for longer.
NASA has ended its attempts to communicate with the robot, which has been on Mars for 15 years.