Cardiology

First demonstration of a self-powered cardiac pacemaker

As the number of pacemakers implanted each year reaches into the millions worldwide, improving the lifespan of pacemaker batteries has been of great concern for developers and manufacturers. Currently, pacemaker batteries ...

Neuroscience

Neural basis of multitasking identified

What makes someone better at switching between different tasks? Looking for the mechanisms behind cognitive flexibility, researchers at the University of Pennsylvania and Germany's Central Institute of Mental Health in Mannheim ...

Health

Why static stretching may not be as effective as you think

The thing about professional football that renowned health-fad skeptic Timothy Caulfield finds most incredible isn't the feats of athleticism, the big hits or even the moments of grace that emerge from the chaos—it's the ...

Diseases, Conditions, Syndromes

What's next after omicron?

Once we've ridden the omicron wave, what's next? Many have assumed that SARS-CoV-2, the coronavirus that causes COVID-19, is evolving into a less dangerous virus because the now-dominant omicron variant tends to cause milder ...

Neuroscience

Brain waves encode rules for behavior

One of the biggest puzzles in neuroscience is how our brains encode thoughts, such as perceptions and memories, at the cellular level. Some evidence suggests that ensembles of neurons represent each unique piece of information, ...

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