Milk can make many products because of its complex chemistry and history. Early humans used milk and had to experiment with various means to preserve it and its nutrition content over time.
When living creatures produce and emit light it’s called bioluminescence. The main reason fireflies glow is to find a mate, though they can also light up under other situations as a warning to others.
Not all dinosaurs were big. In fact, the smallest ones are the ones that are still alive today. The one big question is: How exactly did flight evolve?
Cats have functional barbs or papillae on their tongue made of keratin, the same material that nails and our hair is made out of. They’re very rigid little barbs that face backwards.
Plants need sunlight for a process that we call photosynthesis. Plants are what we call autotrophs, meaning they create their own food or energy to grow.