Roman roads

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27 06, 2017

Early European economy – northern Europe

By |2019-06-02T06:37:42-07:00June 27th, 2017|Economy, Northern Europe|0 Comments

Abrigo del Ciervo, Spain, ca. 6000 BC: Early European economy Hunting and gathering The first people in Europe lived by hunting and gathering; they probably had both dogs and bows and arrows to help them by the time they arrived. Stone Age Northern Europe History of dogs Who invented the bow and arrow? [...]

25 06, 2017

What is basalt? Igneous rock

By |2019-02-10T14:53:51-07:00June 25th, 2017|Geology|0 Comments

Where does basalt come from? Basalt is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes, so it's one kind of igneous rock. Igneous rocks Volcanoes All our geology articles What is basalt made of? Early Stone Age basalt choppers from Olduvai Gorge (Tanzania) When the lava cools [...]