It makes swans fitting symbols of love and devotion. Trumpeter swans on the St. Croix River near Hudson, Wis. (Marlin Levison ...

Swan figures, with their long ... a bit of symmetry and appreciate that two swans facing each other make a heart shape,” Exton adds. Swans have a rich history in design, Exton says.

Researchers at University of Galway have developed a way of bioprinting tissues that change shape as a result of ...