Today’s writing entailed the following research:
Good food for ducks: Wheat, grapes, frozen peas, earthworms and any salad mix. 
Magnetic Permeability: The permeability constant (µ0), also known as the magnetic constant or the permeability of free space, is a measure of the amount of resistance encountered when forming a magnetic field in a classical vacuum
Rogue Waves: Large and spontaneous surface waves in open water.
They can be extremely dangerous, even to large ships.