Template:Are You Sure/February 24

• ... that inventor and artist Jacques de Vaucanson built a Digesting Duck automaton with over 400 moving parts in each wing alone, and that the duck could flap its wings, drink water, seemingly digest grain, and seemingly defecate, although what the duck defecated was not the same as what it ate; and that Vaucanson is credited as having invented the world's first flexible rubber tube while in the process of building the duck's intestines?

• ... that physician and occultist Johann Weyer published works on demons, magic, and witchcraft, in which he applied a skeptical medical view to reported wonders and supposed examples of magic or witchcraft, criticizing the Malleus Maleficarum and witch hunting by the Christian and Civil authorities, and that Weyer argued that the crime of witchcraft was literally impossible, and that anyone who confessed to the crime was likely to be suffering some mental disturbance?