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human heart

What’s a normal resting heart rate?

A normal resting heart rate for adults ranges from 60 to 100 beats a minute.Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting... Continue Reading →

3D printing the human heart

A team of researchers from Carnegie Mellon University has published a paper in Science that details a new technique allowing anyone to 3D bioprint tissue scaffolds out of collagen, the major structural protein in the human body. This first-of-its-kind method brings the... Continue Reading →

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