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Rockets armed with talcum powder could stop deadly space junk

Rockets armed with talcum powder could stop deadly space junk

By Jonathan O’Callaghan An illustration of space junk in orbit (not to scale)ESACloud-emitting rockets could prevent satellites from colliding by altering their trajectories, avoiding potential disasters that would see Earth’s orbits littered with space junk. There are 2000 active satellites in orbit today, along with 3000 dead satellites and thousands of pieces of dangerous smaller…

Does the ACE2 protein explain covid-19 risk for underlying conditions?

Does the ACE2 protein explain covid-19 risk for underlying conditions?

Does a cell surface protein explain why the coronavirus is more likely to kill people with diabetes or heart disease? Researchers are trying to find out Health 7 April 2020 By Jessica Hamzelou Particles of the new coronavirus, in red, emerging from an infected cellNiad/National Institutes Of Health/Science Photo LibraryDOES a protein on the surface…

Coronavirus exit strategies: How do we get out of lockdown?

Coronavirus exit strategies: How do we get out of lockdown?

There are three main strategies for leaving coronavirus lockdown, but each risks a dangerous second wave and further lockdowns if things don’t go as planned Health 7 April 2020 By Graham Lawton People applaud health workers in locked-down Madrid, SpainJorge Sanz/Sopa Images/Sipa USA/PA Images BANS, curfews and wide-reaching restrictions. For many people worldwide, severe limitations…

Coronavirus latest: No new deaths in China and hopes of plateau in NYC

Coronavirus latest: No new deaths in China and hopes of plateau in NYC

By Sam Wong , Adam Vaughan , Conrad Quilty-Harper and Layal Liverpool People gather along the waterfront of the Bund in Shanghai, China on 7 April 2020.Yves Dean/Getty ImagesLatest coronavirus news as of 5.30 pm on 7 April No new deaths in China and hope of a plateau in New York China reported no new…

The Great Barrier Reef has suffered its most widespread bleaching yet

The Great Barrier Reef has suffered its most widespread bleaching yet

By Alice Klein The central, southern and northern sections of the Great Barrier Reef were bleached by warmer ocean waterVictor HuertasAustralia’s Great Barrier Reef has experienced its third mass bleaching event in five years. For the first time, all three sections of the reef have been severely affected. The damage occurred in February when the reef…

Stress early in life can make a child’s brain more like an adult’s

Stress early in life can make a child’s brain more like an adult’s

By Jessica Hamzelou Children who experience stress in early life have adult-like brain connectionsStephen Voss/AlamySome children who experience stress in early life develop adult-like brain networks – and those that do show signs of ageing more slowly. These children also appear to take longer to progress through puberty, too. That’s what Jonas Miller at Stanford…

Coronavirus latest: US braces for ‘peak death week’

Coronavirus latest: US braces for ‘peak death week’

By Sam Wong , Adam Vaughan , Conrad Quilty-Harper and Layal Liverpool US Army personnel wearing masks in New York City.Kena Betancur/Getty ImagesLatest coronavirus news as of 5.15 pm on 6 April Daily death tolls decline in Europe’s worst-hit countries as US braces for “peak death week” In Europe, Italy and Spain have the highest…

An asteroid strike may have popped the surface of Mars

An asteroid strike may have popped the surface of Mars

Space 6 April 2020 By Gege Li The place of the pop – Zunil crater on Mars’s Elysium PlanitiaMRO’s CTX camera/NASAAn unusual deposit spotted in one of Mars’s biggest volcanic regions might be the result of an eruption that popped the surface of the planet. If this is the case, it would mean Mars is…

Soil gets its smell from bacteria trying to attract invertebrates

Soil gets its smell from bacteria trying to attract invertebrates

By Gege Li Some soil-dwelling bacteria like Streptomyces can be toxicWestend61/GettySoil gets its characteristic earthy smell from certain chemicals produced primarily by soil-dwelling bacteria called Streptomyces. But until now, we didn’t know why these bacteria produce these odours and what role they play in the soil ecosystem. To find out more, Paul Becher at the…

Deepmind AI can understand the unusual atomic structure of glass

Deepmind AI can understand the unusual atomic structure of glass

By Jason Arunn Murugesu Hot stuffpieter musterd/GettyAn artificial intelligence that can predict how a piece of glass responds to heat and pressure could one day also be used to model traffic flow. While most solid materials have a regular atomic structure, the atoms in glass have a more irregular arrangement, resembling a liquid that has…