Since its inception in 2012, the hugely successful online introduction to modern poetry known as ModPo has engaged some 415,000 readers, listeners, teachers, and poets. In The Difference Is Spreading , ModPo’s Al Filreis and Anna Strong Safford have invited fifty poets to select and comment upon a poem by another writer.

The only modern phylum with an adequate fossil record to appear after the Cambrian was the phylum Bryozoa, which is not known before the early Ordovician. A few mineralized animal fossils, including sponge spicules and probable worm tubes, are known from the Ediacaran Period immediately preceding the Cambrian.

The 16th century was a period of vigorous economic expansion. This expansion in turn played a major role in the many other transformations—social, political, and cultural—of the early modern age. By 1500 the population in most areas of Europe was increasing after two centuries of decline or stagnation. The bonds of commerce within Europe tightened, and the “wheels of commerce” …

Sep 09, 2019 · Early human species from the Stone Age. (Animalparty / CC BY-SA 4.0 ) The Lower Palaeolithic . The Lower Palaeolithic begins with appearance of the earliest human species, that is, the first species that can be identified as a member of the genus Homo.Characteristics of genus Homo include an upright bipedal posture and a large brain. The earliest member of our …