This year we introduced a new video category, and got some stunning results!
Watch our video, or see below for the winners and shortlisted entries.
Researchers studying how blood cells get into damaged tissue found this amazing heart-shaped arrangement of cells under their microscope.
Winner
See how blood flows in a healthy human heart in this cutting-edge scan.
Sophisticated medical imaging reveals the intriguing hidden structure of muscles in the heart.
Runner Up
Stepping into the heart, we see how the membranes connecting cells are busy with protein filaments and chemical packages.
Heart muscle cells grown from stem cells could one day revolutionise the treatment of heart failure.
See how particles of debris travel through the bloodstream in these replica brain arteries.
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