- Agatha Christie — 2021-08-14 20:41:37
… translated** author and the second best fiction author after William [[Shakespeare]]. {{tag ids="Torquay 1890 Writer Mystery Poirot Marple"}} …
- Sinoatrial Node — 2020-08-15 18:08:00
…ery of the sinus node or **SA** node, the electrical system of the heart, provided an anatomical answer to the baffling mystery: ~&**“Why does the heart beat?”** ^^ There is a remarkable remnant of primitive fibres persisting at the sino‐a…