Tree identification leads to more self-tutoring. The tutor mentions a find of an amur corktree in Victoria. Nowhere seems better than Victoria to find particular trees. Down there last weekend, I had very little opportunity to tree-hunt. Yet, a few …

Tree identification: amur corktree (Phellodendron amurence) Read more »

For me, learning to cook means constant self-tutoring. The tutor shares his findings about why a recipe might ask you to scald the milk. A gingerbread recipe I’m considering, asks me to scald the milk. Wondering why, I’ve researched possible …

Lifestyle: cooking: why scald the milk? Read more »

Tutoring biology, diseases are mentioned. The tutor names perhaps the most contagious one. Measles is potentially the most contagious disease among humans. In particular, all children in a natural, unvaccinated population will catch it.1 When I was a kid, I …

Biology: what is the most contagious disease among humans? Read more »