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Birds flocked to North American cities during covid-19 lockdowns

Mié, 22/09/2021 - 14:00
Dozens of bird species became more abundant in 93 urban centres across the US and Canada when covid-19 restrictions cut noise and pollution from traffic

Dinosaurs may have waggled their tails to help walk more efficiently

Mié, 22/09/2021 - 14:00
A computer reconstruction of a small two-legged dinosaur suggests it ran more efficiently if it waggled its tail from side to side with every step

How can we prevent and reduce food waste?

Mié, 22/09/2021 - 13:00
Around one third of all food produced globally goes to waste, the vast majority being thrown into landfill sites where it is left to rot away

Why covid-19 hospitalisations may soar in England despite vaccination

Mié, 22/09/2021 - 12:00
Modelling suggests covid-19 hospitalisations in England could soon be as high as 7000 a day, but that is only one of several different possible scenarios

Story of epic human voyages across Polynesia revealed by genetics

Mié, 22/09/2021 - 11:00
By studying DNA from people living in Polynesia, geneticists have worked out the order in which the islands – some thousands of kilometres apart– were populated

Tiny sensors inspired by gliding seeds could monitor the environment

Mié, 22/09/2021 - 11:00
Millimetre-sized wireless sensors modelled after spinning or gliding seeds could be used to measure environmental factors such as pH

4D-printed robot self-assembles into a tube and rolls up hills

Mié, 22/09/2021 - 11:00
A 3D-printed material rolls itself up into a tube, becoming a  “4D-printed” robot that travels up hills when exposed to heat

WHO calls for lower limits on air pollution to save millions of lives

Mié, 22/09/2021 - 09:00
The World Health Organization has released guidelines for strict limits on air pollution from cars, power stations and other sources. If countries adopt them, millions of deaths could be avoided

The black hole paradox that thwarts our understanding of reality

Mié, 22/09/2021 - 08:35
Black holes devour stuff and then shrivel away over billions of years. Explaining what happens to anything that falls in explodes our current theories of physics, says cosmologist Paul Davies

Covid-19 news: Record cases in school children in England

Mié, 22/09/2021 - 07:59
The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic

Melbourne rocked by Victoria's biggest earthquake on record

Mié, 22/09/2021 - 05:09
A record magnitude 5.9 earthquake struck in a remote part of Victoria, Australia, on 22 September, damaging buildings in Melbourne but not causing any fatalities

La Palma volcano eruption: Warning signs may have been there for years

Mar, 21/09/2021 - 15:46
Over the past decade, minuscule land movements and strange chemical signals may have been clues that the Cumbre Vieja volcano on La Palma island was going to erupt

SpaceX’s Inspiration4 marks a shift towards privacy for space tourists

Mar, 21/09/2021 - 12:12
The Inspiration4 mission was the first orbital space flight to carry only private passengers and was mostly not broadcast publicly, a surprising change from the space agency transparency

Quantum supremacy has been achieved by a more complex quantum computer

Mar, 21/09/2021 - 11:42
A quantum computer made by researchers in China has outperformed classical computers, achieving what is known as quantum supremacy with a more complex quantum processor than ever before

We can now bioengineer catnip instead of extracting it from plants

Mar, 21/09/2021 - 04:46
Catnip contains a chemical that makes a highly effective insect repellent, but extracting it from plants is expensive. Now it can be produced using genetically engineered yeast

Stroke rehab should be offered for months longer than it currently is

Lun, 20/09/2021 - 15:00
People who have had a stroke are generally given physiotherapy for around a month, but those who received extra treatment saw improved physical ability, against the received wisdom that only early intervention helps

Blame fossil fuels, not renewables, for the UK's winter energy crisis

Lun, 20/09/2021 - 08:02
Rising gas prices mean the UK is facing a difficult winter and some people are keen to point the blame at the shift to renewables – but relying on fossil fuels will always lead to cyclical crises

Maps of planetary nurseries will help the complex hunt for alien life

Lun, 20/09/2021 - 06:18
Five planetary nurseries have been chemically mapped in the most detail ever, showing hints of unexpected variety and high concentrations of the chemicals required for life

Quantum computer helps to design a better quantum computer

Lun, 20/09/2021 - 03:00
Quantum computers can simulate quantum circuits, which helps to speed up the design of new quantum processors

The BepiColombo spacecraft is about to make its first Mercury fly-by

Vie, 17/09/2021 - 13:29
The BepiColombo mission will pass within about 200 kilometres of the surface of Mercury in October, where it will measure the planet’s magnetic field and exosphere