Riviste scientifiche

Virtual computer chip tests expose flaws and protect against hackers

New Scientist - Mer, 24/02/2021 - 21:53
Using software testing techniques on computer hardware can slash development time and produce more reliable and secure computer chips

Earliest human ancestors may have swung on branches like chimps

New Scientist - Mer, 24/02/2021 - 20:00
Our distant ancestors may have swung below tree branches and knuckle-walked like a chimpanzee – challenging recent thinking that the earliest hominins did neither

Diplodocus-like fossil in Uzbekistan hints Asia was a dinosaur hub

New Scientist - Mer, 24/02/2021 - 20:00
A Diplodocus-like dinosaur is the first of its kind to be found in Asia, suggesting the land mass could have helped dinosaurs reach other regions

Solar Opposites review: Clever, silly and bound to be an instant hit

New Scientist - Mer, 24/02/2021 - 18:34
From one of the creators of Rick and Morty, animation Solar Opposites explores how intelligent beings from another world would fare in a typical US neighbourhood with hilarious results

Covid-19 news: Single dose J&J vaccine likely to get US approval

New Scientist - Mer, 24/02/2021 - 18:25
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

First universal coronavirus vaccine will start human trials this year

New Scientist - Mer, 24/02/2021 - 18:20
The world is in urgent need of a vaccine that protects against all coronaviruses, even those we've not met yet, warn scientists, as plans for human trials of potential candidates ramp up

AI smashes video game high scores by remembering its past success

New Scientist - Mer, 24/02/2021 - 17:00
An artificial intelligence that can remember its previous successes and use them to create new strategies has achieved record high scores on some of the hardest classic Atari video games

Metabolism myths: 7 things we get wrong about diet and exercise

New Scientist - Mer, 24/02/2021 - 13:00
Despite what you might have heard, your body is not a simple calorie-burning engine you can tweak at will to keep trim and stay healthy. Here are seven metabolic misconceptions you need to know

Electrostatic de-icing could make it easier to defrost car windows

New Scientist - Mer, 24/02/2021 - 12:00
Ice has an electrical charge, which could be exploited to create devices that easily defrost car windows and aeroplane wings

Moth species becomes more sexually active when bathed in red light

New Scientist - Mer, 24/02/2021 - 06:15
An Asian-Australian moth becomes more sexually active under red light than under another colour of light or in the dark

Whales and dolphins can resist cancer and their DNA reveals why

New Scientist - Mer, 24/02/2021 - 01:01
Whales, dolphins and porpoises are much better at fighting cancer than we are, and a DNA analysis brings us closer to understanding why cetaceans can do this

Earliest American dog hints pets accompanied first people in Americas

New Scientist - Mer, 24/02/2021 - 01:01
The oldest confirmed dog remains found in North America support the idea that the first Americans – and their dogs – travelled along the Pacific coast

The quark of the matter: what's really inside a proton?

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/d41586-021-00509-x

The surprising structure of protons, and a method for growing small intestines for transplantation.

The quark of the matter: what's really inside a proton?

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/d41586-021-00509-x

The surprising structure of protons, and a method for growing small intestines for transplantation.

Deterministic multi-qubit entanglement in a quantum network

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03288-7

High-fidelity deterministic quantum state transfer and multi-qubit entanglement are demonstrated in a quantum network comprising two superconducting quantum nodes one metre apart, with each node including three interconnected qubits.

Deterministic multi-qubit entanglement in a quantum network

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03288-7

High-fidelity deterministic quantum state transfer and multi-qubit entanglement are demonstrated in a quantum network comprising two superconducting quantum nodes one metre apart, with each node including three interconnected qubits.

A mechanosensitive peri-arteriolar niche for osteogenesis and lymphopoiesis

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03298-5

A peri-arteriolar niche in the bone marrow for osteogenesis and lymphopoiesis is maintained by mechanical stimulation and is depleted during ageing.

A mechanosensitive peri-arteriolar niche for osteogenesis and lymphopoiesis

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03298-5

A peri-arteriolar niche in the bone marrow for osteogenesis and lymphopoiesis is maintained by mechanical stimulation and is depleted during ageing.

Reset of hippocampal–prefrontal circuitry facilitates learning

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03272-1

Exposure to a novel experience can ‘reset’ connections between the hippocampus and prefrontal cortex in mice, allowing them to overcome an existing learned behaviour and to replace it with a new one.

Reset of hippocampal–prefrontal circuitry facilitates learning

Nature - Mer, 24/02/2021 - 00:00

Nature, Published online: 24 February 2021; doi:10.1038/s41586-021-03272-1

Exposure to a novel experience can ‘reset’ connections between the hippocampus and prefrontal cortex in mice, allowing them to overcome an existing learned behaviour and to replace it with a new one.