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Discussions about the GBD tend to take place in the conditional tense- what would, could, and should have happened. But the GBD actually existed and we can examine what actually happened.

The post Part 1: We Don’t Have to Wonder if the Great Barrington Declaration Could Have “Worked”. In the Real World, It Failed. first appeared on Science-Based Medicine.

Artificial intelligence (AI) chatbots have frequently shown signs of an 'empathy gap' that puts young users at risk of distress or harm, raising the urgent need for 'child-safe AI', according to a new study. The research urges developers and policy actors to prioritize AI design that take greater account of children's needs. It provides evidence that children are particularly susceptible to treating chatbots as lifelike, quasi-human confidantes, and that their interactions with the technology can go awry when it fails to respond to their unique needs and vulnerabilities. The study links that gap in understanding to recent reports of cases in which interactions with AI led to potentially dangerous situations for young users.

Using an instrument for ultrafast electron diffraction (MeV-UED), researchers discovered how an ultrathin material can circularly polarize light. This discovery sets up a promising approach to manipulate light for applications in optoelectronic devices.

Using an instrument for ultrafast electron diffraction (MeV-UED), researchers discovered how an ultrathin material can circularly polarize light. This discovery sets up a promising approach to manipulate light for applications in optoelectronic devices.

To offer cross-protection against diverse influenza virus variants, nanoparticle vaccines can produce pivotal cellular and mucosal immune responses that enhance vaccine efficacy and broaden protection, according to a new study.

The question of whether Mars ever supported life has captivated the imagination of scientists and the public for decades. Central to the discovery is gaining insight into the past climate of Earth's neighbor: was the planet warm and wet, with seas and rivers much like those found on our own planet? Or was it frigid and icy, and therefore potentially less prone to supporting life as we know it? A new study finds evidence to support the latter by identifying similarities between soils found on Mars and those of Canada's Newfoundland, a cold subarctic climate.

Within a group of decision-makers, the longer it takes someone to make a choice, the less likely they are to be influenced by their inherent biases according to a mathematical model

Two lions, one missing a leg, made a 1.5-kilometre swim through crocodile-infested waters in Uganda, probably in order to mate with females

Social media assures us that we can grow a rose cutting in a raw potato. But you're better off sticking with tried and tested methods of rose propagation, says James Wong

See some of the dazzling pictures that were shortlisted for the annual Astronomy Photographer of the Year competition

Some technologies never quite make it. But a new book, The Long History of the Future, shows how certain problems are just bigger and thornier than we thought

Exhausted by today's political and environmental instability, Annalee Newitz investigated what a future Earth might look like. Get ready for green mining, soft cities and robo-taxis

Feedback wonders if a little engineering knowhow might have come in handy in Glorit, New Zealand, where procedures were seemingly ignored during maintenance of an electrical power pylon

When we lose a loved one, it has a profound effect on our bodies. Taking our grief outside offers us better healing in the long term than shutting it away, says Ruth Allen

An eye-opening new book by psychologist Lucy Foulkes lifts the lid on the surprisingly rational strategies behind the risky behaviours of adolescence, finds Catherine de Lange

Several nations around the world have placed arbitrary limits on the export of quantum computers, despite today's devices having little practical use. The restrictions are counterproductive and at odds with the scientific method

Engineers have developed a new soft, flexible device that makes robots move by expanding and contracting -- just like a human muscle. To demonstrate their new device, called an actuator, the researchers used it to create a cylindrical, worm-like soft robot and an artificial bicep. In experiments, the cylindrical soft robot navigated the tight, hairpin curves of a narrow pipe-like environment, and the bicep was able to lift a 500-gram weight 5,000 times in a row without failing.

Engineers have developed a new soft, flexible device that makes robots move by expanding and contracting -- just like a human muscle. To demonstrate their new device, called an actuator, the researchers used it to create a cylindrical, worm-like soft robot and an artificial bicep. In experiments, the cylindrical soft robot navigated the tight, hairpin curves of a narrow pipe-like environment, and the bicep was able to lift a 500-gram weight 5,000 times in a row without failing.

There is a pressing need for countries and international organizations to understand better how existing international law can help them address serious concerns about the militarization of outer space, a new study says.

Researchers discover how proteins behave inside cells using AI, which has the potential to guide drug design.