The mere mention of Leonardo da Vinci evokes genius. We know him as a polymath whose interests spanned astronomy, geology, ...

As part of an investigation of the histology and functional anatomy of the crocodilian heart ... is similar to that of the normal human heart (Fig. 2), except that the T-wave is inverted in ...

If you clench your hand into a fist, this is approximately the same size as your heart. It is located in the middle of the chest and slightly towards the left. The heart is a large muscular pump ...