Brushes are crucial for applying glazes, sauces, and oils. The pastry brushes that you find in homestores can be pricey so pay a visit to your local hardware store and pick up a few paint brushes which are less expensive and work equally as well. ↗
There's a lot of interest from the medical community on how things develop in microgravity, and the hope, later, that is expected to apply to what the changes are in humans as well. ↗