221 Facts Tell Me Why

221 Facts Tell Me Why221 Facts Tell Me Why is a storehouse of curious facts about the world. The collection will encourage children to go and explore knowledge out there in the world.✨📚

Why are a bird’s feathers water-insulated and waterproof?

A bird’s feathers grow from the epidermis of the bird’s skin and can be divided into ‘semiplumes’, ‘filoplume’, ‘bristle’ and ‘powder feathers’. Given their impeccable daily routine, birds maintain their feathers by preening, dust bathing and even bathing in the water. When birds preen themselves with their beaks, they pick up oil by rubbing the …

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Why are animals said to be masters of disguise?

Animals have developed adaptability to blend in their surroundings. This is necessary so that they may remain hidden from their hunters or even from their prey that they are hunting. This is called ‘camouflage’. They can camouflage by merging themselves with their backgrounds or by having patterns on their bodies that break up their outline, …

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Why does sunshine make us feel happy?

According to research, sunlight plays a vital role in affecting our general health and happiness. The correlation between light and mood is unquestionable. Our body produces serotonin, a neurotransmitter, that regulates our appetite, moods and memory, and melatonin, a hormone that promotes sleep. As the sun rises and hits upon our optic nerves, a gland …

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