In class today

In class today (From History Into Science or Smorgasbord), we discussed how to proceed and the class decided to cease the topic about books and to commence Innovations That Have Changed The World (From stone-axes to computers). We discussed early animals, Homo Erectus, Lucy, the Hobbit and methods of dating including sedimentary layers and radio-carbon dating. We had an interesting discussion which the class enjoyed, which is my aim in presenting any topic that the class chooses.