Logs

Description
Logs can be found in naturally spawning trees in the world of Minecraft but can also spawn as he corners of NPC villager houses.

Properties
They are solid blocks which disobey the laws of physics and can be placed sideways prior to the 1.3 update. They are not transparent and give out no light. They are also one of the few blocks that can be set aflame.

Types
Logs can also come in varieties as shown in different biomes. As seen in the Forest biome, Taiga Biome and Jungle Biome. Trees can also be found in Plains and Tundra biomes but are sparesly spawned. Some of the two biomes previously mentioned may not even have trees in them.