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Do fish have 2 dorsal fins?

Do fish have 2 dorsal fins? Fish may have up to three distinct dorsal fins, known as proximal, middle , and distal dorsal fins, however several fish have just two dorsal fins with the middle and distal fins fused together. Read more…

What did ancient soldiers wear?

What did ancient soldiers wear? Roman soldiers wore a linen undergarment. Over this they wore a short-sleeved, knee-length woollen tunic. Romans originally believed that it was effeminate to wear trousers. However, as their empire expanded into territories with colder climates, Read more…