Do insects have lungs?
Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect’s abdomen.
Is gelato different from ice cream?
Gelato has less fat than ice cream. While ice cream is normally heavy on the cream and has a fat content of at least 10 percent, gelato uses more milk than cream, and generally also uses less egg yolks — if any.
Why do my ears pop on a plane?
Your ears pop in airplanes because the air high above the surface of Earth is less dense than air near the surface. Your inner ear has air trapped in it, and as the atmospheric pressure changes, it causes pressure on your ear drum.
What colors make you feel hungry?
Scientific tests show that red causes us to feel hungry.
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