Laser physicists have built a tractor beam that can repel and attract objects, using a hollow laser beam that is bright around the edges and dark in its centre. It is the first long-distance... Read more
A new study shows that an antiviral drug can speed up recovery of COVID-19 patients
Scientists discover way to potentially track and stop human and agricultural viruses
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Bots can have an invisible influence on social media bringing up an ethical gray area
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