Riviste scientifiche

An Earth-like planet might orbit our closest single sun-like star

New Scientist - Gio, 14/01/2021 - 08:00
Tau Ceti is a star just 12 light years away – and it could host a planet called PXP-4 that sits as close to the star as Earth does to our sun with its year about as long as ours

The chemical flare that warns plants of rough going ahead

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00091-2

Elevated levels of a plant hormone tip off roots about compacted soil.

Electric eels have a shocking tactic: hunting in packs

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00056-5

High-voltage fish in the Amazon swarm the buffet together.

Water stress will rise in parts of Asia even as glaciers melt and rain pours

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00058-3

Northern India is among the regions facing shortages from climate change’s effects on mountain rivers.

Anti-ageing effects of protein restriction unpacked

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-020-03662-x

Two animal studies show that restricting the dietary intake of branched-chain amino acids can extend lifespan by modulating the mTOR signalling pathway. But more research is needed before this diet should be recommended in people.

The power of a budget plan in grant writing

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00096-x

Ethan Wilk, who begins an undergraduate programme this autumn, explains how a detailed outline of his proposed expenses and timeline helped him to win a competitive award to study endangered trout.

COVID’s toll on smell and taste: what scientists do and don’t know

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00055-6

Researchers are studying the sensory impact of the coronavirus, how long it lasts and what can be done to treat it.

Accurate machine learning in materials science facilitated by using diverse data sources

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-020-03259-4

A strategy for machine learning has been developed that exploits the fact that data are often collected in different ways with varying levels of accuracy. The approach was used to build a model that predicts a key property of materials.

Daily briefing: Insects face ‘death by a thousand cuts’

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00098-9

A scientifically grounded assessment of insect decline. Plus, COVID reinfections appear to be rare and thieving monkeys can spot ransom-worthy items.

COVID reinfections are unusual — but could still help the virus to spread

Nature - Gio, 14/01/2021 - 00:00

Nature, Published online: 14 January 2021; doi:10.1038/d41586-021-00071-6

Large study of UK health-care workers suggests that most people are immune for months after catching COVID-19 for the first time.

World’s oldest painting of animals discovered in an Indonesian cave

New Scientist - Mer, 13/01/2021 - 20:00
A painting showing three pigs has been discovered in an Indonesian cave. At more than 45,000 years old, it is the oldest known painting of animals anywhere in the world

Tropical rainforests may begin pumping out carbon dioxide by 2050

New Scientist - Mer, 13/01/2021 - 20:00
Rising temperatures over the next 30 years could cause Earth’s tropical and temperate forests to switch from being carbon sinks to carbon sources that release greenhouse gases

To improve our response to crises like covid-19 we must think smarter

New Scientist - Mer, 13/01/2021 - 19:00
Our narrow definition of intelligence has worsened social, economic and racial inequalities, and left us ill-equipped to come together to solve global problems

Assassin's Creed Valhalla review: Vikings marauders become nice

New Scientist - Mer, 13/01/2021 - 19:00
Vikings are rarely portrayed as a civilized people, but new game Assassin's Creed Valhalla has it both ways with people playing nice while still overrunning everything in sight, says Jacob Aron

The superconductor breakthrough that could mean an energy revolution

New Scientist - Mer, 13/01/2021 - 19:00
We’ve finally made a room-temperature superconductor, so materials that transport electricity without wasting any of it are within our grasp

Don’t Miss: CERN’s ALICE detector online ahead of V&A Alice show

New Scientist - Mer, 13/01/2021 - 19:00
New Scientist's weekly round-up of the best books, films, TV series, games and more that you shouldn’t miss

Stunning photo shows Virgo upgrade ready to hunt gravitational waves

New Scientist - Mer, 13/01/2021 - 19:00
This dazzling image shows the upgraded and more sensitive Advanced Virgo+ detector, which hunts for clues about the universe that are contained in gravitational waves

Podcast goes behind the scenes in the battle to mitigate wildfires

New Scientist - Mer, 13/01/2021 - 19:00
The podcast Life with Fire explores the wildfires a warming world will create – and why we need to involve everyone if we are going to learn how best to live with them

Here's why you should be hopeful about climate action in 2021

New Scientist - Mer, 13/01/2021 - 19:00
We have been in many last chance saloons with climate change, but there are now reasons to believe we might finally go out and take action, writes Graham Lawton

CRISPR gene-editing urgently needs an off-switch – now we have one

New Scientist - Mer, 13/01/2021 - 19:00
Making changes to genes with CRISPR has the potential to cure diseases and feed the world, if we can learn to control it. Now it looks like viruses hold the solution