AI versus the brain and the race for general intelligence

There’s no question that AI systems have accomplished some impressive feats, mastering games, writing text, and generating convincing images and video. That’s gotten some people talking about the possibility that we’re on the cusp of AGI, or artificial general intelligence.…

Analyze This: When do cats move like liquids?

At times, cats seem to behave more like liquids than solids. They slip through crevices, squeeze under doors and fill containers of various shapes. A new study testing cats’ liquid-like behavior suggests that felines are aware of their body size.…

Scientists Say: Dimension

Dimension (noun, “dih-MEN-shun”) In math, a dimension describes how many numbers you need to specify a particular location. Imagine a number line. You only need one number to pinpoint a location along the line. When we use numbers to point…

Your brain’s secret painkiller: Can you switch it on?

In the second world war, the physician Henry Beecher observed that some of his soldier patients, despite being injured on the battlefield, required no strong painkillers to manage their pain. In some cases, the injury was as severe as losing…

Psilocybin increases emotional empathy in depressed individuals, study finds

A study conducted in Switzerland examined changes in empathy among depressed individuals following a single dose of psilocybin. Participants who received psilocybin demonstrated substantial improvements in emotional empathy compared to the control group, which received a placebo. These improvements lasted…

Federal firings could wreak havoc on Great Lakes fishery

Sweeping layoffs of federal employees have struck the program responsible for controlling the invasive sea lamprey that threatens fish across the Great Lakes, the earth’s largest freshwater ecosystem. Among hundreds of US Fish and Wildlife Service (USFWS) employees terminated this…

AI can spot depression through driving habits, study finds

New research suggests that the way older adults drive could offer subtle clues about their mental health, potentially paving the way for innovative screening tools for depression. Two related studies, the latest published in the journal npj Digital Medicine, investigated…