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6 articles from Guardian Unlimited Science

Huge ‘planet killer’ asteroid discovered – and it’s heading our way

With a diameter of 1 to 2km, space rock named 2022 AP7 crosses our orbit but has ‘no chance’ of hitting EarthAstronomers say they have discovered the largest planet killer-sized asteroid in eight years, and that the huge space rock will cross Earth’s orbit.The asteroid, named 2022 AP7, was reported by researchers looking for space rocks within the orbits of Earth and Venus. Continue...

The Guardian view on Elon Musk’s Twitter takeover: the unfulfilled promises pile up | Editorial

The world’s richest man promises more than he has delivered. His social network purchase is likely to go the same wayElon Musk is a fan of the science fiction writer Isaac Asimov. When his spacecraft company SpaceX successfully sent its Falcon Heavy rocket payload into orbit around the sun in 2018, the cargo included a digital copy of the author’s classic work: the Foundation trilogy. One of...

China iPhone factory quadruples bonuses to workers amid anger over Covid curbs

Apple supplier Foxconn raises daily bonuses to $55 to ease discontent after strict Covid measures prompted some workers to flee the siteApple supplier Foxconn said it has quadrupled bonuses on offer for workers at its Zhengzhou plant in central China as it seeks to quell discontent over Covid curbs and retain staff at the giant iPhone manufacturing site.Daily bonuses for employees, who are part of...

Rhino horns have become shorter in past century, study finds

Researchers say change could be result of selection pressures as human hunters preferred to target animals with larger hornsRhinoceros horns have become shorter over the last century, researchers have found, adding the development could be a result of hunters and poachers targeting larger prizes.Rhino horns were much sought after among hunters over the centuries, while modern poachers sell them...

Could a prescription of surfing help with depression?

A new trial is exploring if prescriptions of surfing, gardening and dance classes can reduce anxiety and depression in people aged 11 to 18. NHS mental health trusts in 10 parts of England will use a range of sports, arts and outdoor activities with 600 young people to see if it can stop conditions worsening while the sufferers are on waiting lists for care. This kind of support is known as...