OpenAI is back in the headlines with news that it is updating its viral ChatGPT with a new version called GPT-4. But when will this be available, how does it work and can you use it?
Artificial intelligence art generators train themselves on art pulled straight from the internet… but what happens when most of the art out there is now made by AI?
Humanity needs to eat less meat. Here are seven alternatives.
Would you eat a burger enriched with mealworms? Fake bacon sliced from a mass of fermented fungi? Milk proteins extruded by microbes? Maybe you already have. Dozens of companies are now banking on these alternatives to animal protein becoming a regular part of your diet.
Complexes formed from ‘nanobodies’ and an antiviral drug halt infection in its tracks.
A dynamic duo comprising an antiviral drug joined to an antibody fragment provides strong protection against the two main types of influenza that infect humans, according to research in mice.
The huge eruption of the Hunga Tonga–Hunga Ha‘apai volcano generated more than 2,600 lightning flashes per minute.
Freely accessible large language models have accelerated the pace of innovation, computer scientists say.
The craze for generative artificial intelligence (AI) that began with the release of OpenAI’s ChatGPT shows no sign of abating. But while large technology companies such as OpenAI and Google have captured the attention of the wider public — and are finding ways to monetize their AI tools — a quieter revolution is being waged by researchers and software engineers at smaller organizations.
A skull fragment and shin bone suggest that early modern humans might have passed through southeast Asia earlier than thought.
Researchers laboriously sifted through clay, bucket by bucket, using their fingers to hunt for bone fragments
The technology developed by DeepMind that plays Go and chess can also help to write code.
An artificial intelligence (AI) system based on Google DeepMind’s AlphaZero AI created algorithms that, when translated into the standard programming language C++, can sort data up to three times as fast as human-generated versions.
“We were a bit shocked,” said Daniel Mankowitz, a computer scientist at DeepMind who led the work. “We didn’t believe it at first.”
Extensive flooding could have severe consequences for farming, health and the environment.
The 66-year-old Kakhovka dam on the Dnieper River in south Ukraine collapsed on the morning of 6 June after a suspected explosion, triggering a catastrophic humanitarian and environmental crisis.
A ‘meta-lens’ and corrective algorithms allow a tiny device to produce high-resolution images.
A computational-imaging technique paves the way for ultra-small cameras that could be used in various portable devices.
Ants living on the sprawling salt pans of Tunisia use DIY markers to find their way home.
The desert ant Cataglyphis fortis lives in Tunisia’s arid salt flats, and can travel more than a kilometre from its underground nest in search of food. Now scientists have found that these ants build tall hills on top of their nests that help the insects to find their way home across the vast, featureless landscape1.
Bacteria cooperate to benefit the collective, but cheaters can rig the system. How is the balance maintained?
People often recognize social behaviors in complex organisms such as insects, nonhuman primates, and humans. But Megan Frederickson, an ecologist and evolutionary biologist at the University of Toronto, is interested in a different, microscopic social community: bacteria. “Cooperation is everywhere,” she said. “Cells cooperate in multicellular organisms; individuals cooperate in societies; and different species cooperate… Why would it not be the case that microbes cooperate with each other?”
Clinicians and researchers teamed up to investigate how inappropriate proinflammatory mechanisms contribute to the pathogenesis of drug-refractory epilepsy.
Doctors treat epilepsy with anticonvulsants to control seizures, but some patients do not respond to these first-line therapies. For patients with drug-refractory epilepsy (DRE) whose seizures persist after treatment with two or more anticonvulsants, clinicians must surgically remove part of the brain tissue to cure the disease.
Free-flying mosquitoes gravitate toward pads that emit carbon dioxide, which is found in human breath.
Bolts begin as a series of short pulses both on Earth and on its much bigger, gassier neighbour in the Solar System.
Prehistoric engravings depict vast hunting traps with extraordinary precision.
The oldest blueprints ever found might have been used to prepare for large-scale hunts1.
Engraved lines on a stone in Jordan might depict landscape features near a large-scale hunting structure.
Record temperature combined with an anticipated El Niño could devastate marine life and increase the chances of extreme weather.
The global ocean hit a new record temperature of 21.1 ºC in early April, 0.1 ºC higher than the last record in March 2016. Although striking, the figure (see ‘How the ocean is warming’) is in line with the ocean warming anticipated from climate change. What is remarkable is its occurrence ahead of — rather than during — the El Niño climate event that is expected to bring warmer, wetter weather to the eastern Pacific region later this year.
Machine-learning systems in chemistry need accurate and accessible training data. Until they get it, they won’t achieve their potential.
Many people are expressing fears that artificial intelligence (AI) has gone too far — or risks doing so. Take Geoffrey Hinton, a prominent figure in AI, who recently resigned from his position at Google, citing the desire to speak out about the technology’s potential risks to society and human well-being.
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