Friday bits

On the way to a session in the hay loft:



Cammie Harbottle's seed saving workshop:



Av Singh's seminar, "Cud-Chewing 101: An Introductory Look at the Ruminant Digestive System", was the sleeper hit of the free school so far. Here's Av with a sheep stomach, explaining the finer points of how some mammals stay alive while eating not-easily-digestible grass. Cows, says Av, have to eat half their weight in grass every day to get enough nutrients to keep going.