467 questions and answers in this section
Explain why kangaroos stand upright using their tails?

Explain why kangaroos stand upright using their tails?

The kangaroo's tail is truly exceptional: it is an ultra-muscular and powerful structure, with very solid vertebrae connected by strong ligaments. In fact, the tail...

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Explain why can basil repel mosquitoes?

Explain why can basil repel mosquitoes?

Basil produces naturally occurring volatile substances that emit a strong and pleasant odor for us, but unbearable for mosquitoes. These compounds disrupt the sensory abilities...

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Explain why magpies are known for their intelligence?

Explain why magpies are known for their intelligence?

The Eurasian magpie is part of the very small club of animals capable of recognizing themselves in a mirror. To test this, researchers typically use...

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Explain why icebergs float even though they are made of ice?

Explain why icebergs float even though they are made of ice?

Icebergs are large chunks of fresh ice, detached from glaciers or polar ice caps, that freely float in the oceans. They are primarily composed of...

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Explain why does the tiger have stripes?

Explain why does the tiger have stripes?

The stripes of the tiger come mainly from precise variations in their genes. Basically, certain segments of DNA control the production of pigments, the famous...

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Explain why some shells produce black pearls?

Explain why some shells produce black pearls?

The black color of pearls mainly comes from a natural substance called melanin. Yes, yes, it's the same molecule responsible for your tanned skin in...

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Explain why crocodiles cry when they eat?

Explain why crocodiles cry when they eat?

Crocodiles do not cry out of sadness or remorse when they eat their prey, contrary to what some myths suggest. In fact, this phenomenon is...

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Explain why the Mayans considered jaguars to be divine beings.

Explain why the Mayans considered jaguars to be divine beings.

For the Maya, the jaguar was more than just an animal: it symbolized the power of the supernatural world. With its nocturnal appearance and impressive...

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Explain why do caterpillars sometimes produce a silk cocoon?

Explain why do caterpillars sometimes produce a silk cocoon?

Caterpillars produce a silk cocoon primarily to avoid becoming a snack during their transformation. This cocoon acts as a sort of natural shield, making the...

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Explain why do crabs walk sideways?

Explain why do crabs walk sideways?

Crabs have a flat and wide body, wrapped in a rigid shell. Their legs, attached to the sides of the body, have joints that mainly...

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