Roads with variable speed limits, designed to manage traffic flow, are normally adjusted according to simple rules, but a 27-kilometre section of the I-24 freeway near Nashville, Tennessee, is now overseen by an artificial intelligence ​Roads with variable speed limits, designed to manage traffic flow, are normally adjusted according to simple rules, but a 27-kilometre …

AI put in charge of setting variable speed limits on US freeway Read More »

The central and eastern regions of the United States are the hotspots for Earth’s most damaging and frequent tornadoes, scientists have found. In fact, the U.S. has the most tornadoes of any country in the world, but why? In a study published in… ​The central and eastern regions of the United States are the hotspots …

Why does the United States have the most tornadoes in the world? Scientists find new answers. Read More »

A prototype vaccine from ArkeaBio, a US start-up, cut methane emissions by 13 per cent in a first trial involving 10 cows, offering a potential way to reduce the huge climate impact of cattle farming ​A prototype vaccine from ArkeaBio, a US start-up, cut methane emissions by 13 per cent in a first trial involving …

Anti-methane vaccine could reduce the huge climate impact of cow burps Read More »

Measures are in place to prevent athletes from using performance-enhancing drugs at the Olympic Games, but concerns linger over the use of CRISPR to edit genes and even the inhalation of carbon monoxide ​Measures are in place to prevent athletes from using performance-enhancing drugs at the Olympic Games, but concerns linger over the use of …

How does the Olympics test for doping and is it good enough? Read More »

Fossils in rocks that are 3.8 billion years old have puzzled biologists as they look nothing like modern cells, but now it seems they may be an ancient precursor life form that was unable to control its structure ​Fossils in rocks that are 3.8 billion years old have puzzled biologists as they look nothing like …

Oldest rocks on Earth may contain strange and ancient life forms Read More »

Semaglutide-based medicines such as Ozempic and Wegovy, which can help people lose weight, may also reduce tobacco cravings ​Semaglutide-based medicines such as Ozempic and Wegovy, which can help people lose weight, may also reduce tobacco cravings Semaglutide-based medicines such as Ozempic and Wegovy, which can help people lose weight, may also reduce tobacco cravings 

An analysis of 20,000 metal objects from Bronze Age Europe suggests human economic behavior may not have changed much over the past 3500 years ​An analysis of 20,000 metal objects from Bronze Age Europe suggests human economic behavior may not have changed much over the past 3500 years An analysis of 20,000 metal objects from Bronze …

Bronze Age hoards hint that market economies arose surprisingly early Read More »

With coral reefs around the world struggling in the face of warming oceans, should we swap out native species with heat-tolerant ones from elsewhere? ​With coral reefs around the world struggling in the face of warming oceans, should we swap out native species with heat-tolerant ones from elsewhere? With coral reefs around the world struggling in …

Controversial idea to save corals would replace them with new species Read More »

This week, NSF Director Sethuraman Panchanathan participated in a series of pivotal discussions and events, underscoring U.S. National Science Foundation’s role at the forefront of scientific innovation and workforce development in the United States… ​This week, NSF Director Sethuraman Panchanathan participated in a series of pivotal discussions and events, underscoring U.S. National Science Foundation’s role …

This week with NSF Director Panchanathan Read More »

A subatomic particle called the muon caused waves when its experimental behaviour didn’t align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical ​A subatomic particle called the muon caused waves when its experimental behaviour didn’t align with a prediction based on …

Particle physicists may have solved a strange mystery about the muon Read More »