Who First Invented Paper?
Who First Invented Paper? The word “paper” is etymologically derived from papyros, Ancient Greek for the Cyperus papyrus plant. Papyrus is a thick,...
Read More
Does a Falling Tree Makes Noise?
Does a Falling Tree Makes Noise? If a Tree Falls in a Forest and No One Hears It, Does It Make a Noise? The answer to this famous riddle depends on how we define sound....
Read More
What Is the Tundra?
Tundra is the name given to the cold, treeless plains. It is a type of biome where the tree growth is hindered by low temperatures and short growing seasons. There are...
Read More
When Did People Start Chewing Gum?
When Did People Start Chewing Gum? Chewing gum in many forms has existed since the Neolithic period. 5,000-year-old chewing gum made from birch bark tar, with tooth...
Read More
Are All the Parts of a Tree Alive?
Are All the Parts of a Tree Alive? Actually, most of the wood in the trunk and branches (the heartwood) of a tree is dead. The outer layer of bark is also dead. The...
Read More