From BlueRock Raises $225M To Repair Heart Damage With Stem Cells:

hearts_robbie-sproule-15x10
hearts_robbie-sproule-15×10

Hearts Outside Montreal Museum of art courtesy Robbie Sproule via creative commons license https://www.flickr.com/photos/robbie1/10516678/in/photolist-VUf3-dvrBf-7o4HFW-37hR7J-aAryyz-4ggtsX-qPzG3-aNJn58-8Eu9qi-bsG5N6-uiXvj-qcHeRC-6VNeXx-3Mi38M-7JpgL2-4rhkxP-7uZPny-o6xbVQ-npqrDm-DZFuQ-aiifny-4EVwNy-8Bhm5m-5Vixye-4J7z3b-bcyvuV-691k4c-cSZGAE-4MSFLK-5P8C3q-7x7diG-82mXAH-8qB5a-b8C9EH-2Tqqn-7WgJw7-99ZGsC-cLr1zN-oZE5yP-4r7uNS-4xwC2W-7HcKRA-qautsb-dEWqix-6yLJM9-bsvM3a-82mXPH-2dC4x7-oihvDa-7cdQJp