A new plant in Iceland operated by the firm Climeworks can remove up to 36,000 tonnes of carbon dioxide from the air per year, more than quadrupling existing global capabilities
Cold-brewing coffee can reduce its bitter taste, but it normally takes up to 24 hours as the grounds slowly steep. A new method that involves pummelling the grounds with ultrasound can drastically speed up the process
Concern over the risks of enabling nuclear weapons development is usually focused on nuclear fission reactors, but the potential harm from more advanced fusion reactors has been underappreciated
The rapid growth of solar power led to a record-breaking year for clean energy generation in 2023, and the year is expected to mark the start of a long-term decline in fossil fuels
Analysis of thousands of exchanges between the intelligent cetaceans suggests they combine short click patterns – similar to letters of the alphabet - into longer sequences
The strategy for tracking bird flu in US dairy cattle falls worryingly short of what is needed to prevent the outbreak from widening and potentially spreading to humans
An implantable heart pump could help children with heart failure awaiting transplants forego bulky devices that require long hospital stays
Two astronauts are about to set off for the International Space Station aboard Boeing’s Starliner capsule. If all goes well, Starliner will join SpaceX’s Dragon as a US shuttle into orbit
A robot that moves around by balancing on a ball could prove a better assistant for wheelchair users than humanoid robots that walk on two legs
A quantum bit inspired by Schrödinger’s cat can resist making errors for an unprecedentedly long time, which makes it a candidate for building less error-prone quantum computers
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