cardiac

Robotic fish: Synthetic fish powered by human cardiac cells gives fresh insight into heart

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Insights from a synthetic fish built from plastic and gelatine and powered by human cardiac cells might one day be useful for treating heart disease Technology 10 February 2022 By Alex Wilkins An artificial fish built from human heart cells could teach us how the organ functions. The human heart can pump without signals from … Read more

Scientists Made a ‘Fish’ From Human Cardiac Cells, And It Swims Like a Beating Heart

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With its tail flipping rhythmically from side to side, this strange synthetic fish scoots around in its salt and glucose solution, using the same power as our beating hearts. This nifty miniaturized circulatory system, developed by scientists at Harvard and Emory universities, can keep swimming to the beat for more than 100 days.   The … Read more

Lots of People Die Every Year During or After Having Sex. A Pathologist Explains Why

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Sex has many beneficial physical and psychological effects, including reducing high blood pressure, improving the immune system and aiding better sleep. The physical act of sex and orgasm releases the hormone oxytocin, the so-called love hormone, which is important in building trust and bonding between people.   But there’s a dark side: people sometimes die … Read more

mRNA technology: Vaccine biotech has helped repair broken hearts in mice

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By Michael Le Page An illustration of a strand of mRNA MattLphotography / Alamy Stock Photo Immune cells in the bodies of mice have been temporarily reprogrammed to repair damaged hearts by removing scar tissue, thanks to the technology used in the mRNA coronavirus vaccines. “After you give the treatment, the scar goes away,” says … Read more