Talmud here. TK (husband) is majoring in botany at university. This has some pros and cons.
We get a vegie/fruit garden that looks pretty and produces tasty produce.
Sometimes the table looks like this (note: the green stuff is an assortment of locally found weed grasses):
In our house, we use textbooks for their weight not their knowledge (there are layers of flowers and leaves being pressed between the books).