Related topics: heart

Scientists convert skin cells to beating heart cells

Scripps Research Institute scientists have converted adult skin cells directly into beating heart cells efficiently without having to first go through the laborious process of generating embryonic-like stem cells. The powerful ...

Powering a pacemaker with a patient's heartbeat

Implantable pacemakers have without doubt altered modern medicine, saving countless lives by regulating heart rhythm. But they have one serious shortcoming: Their batteries last only five to 12 years, at which point they ...

Dog star: Scientist recalls training Laika for space

"I asked her to forgive us and I even cried as I stroked her for the last time," says 90-year-old Russian biologist Adilya Kotovskaya, recalling the day she bid farewell to her charge Laika.

How social media has synchronized human civilization

Human activity, whether commercial or social, contains patterns and moments of synchronicity. In recent years, social media like Twitter has provided an unprecedented volume of data on the daily activities of humans all over ...

How does body temperature reset the biological clock?

Numerous processes in our body fluctuate in a regular pattern during the day. These circadian (or daily) variations can be driven by local oscillators present within our cells or by systemic signals controlled by the master ...

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