The noise we hear when we hold a seashell to our ear is not the sound of the ocean at all, but an echo of the noises around us. In a noise-isolated room, there is no sound from the seashell.

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Instead of venom, the Braconid wasp produces an immune-suppressing virus, which paves the way for its parasitic larvae in the host. This adaptation is the result of a 100-million year old virus, which altered the wasp’s DNA leading to the formation of an organ, whose sole purpose is to assemble the virus.

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About 2% of people possess strong empathy, which allows them to feel pain when they see another person experiencing it.

This phenomenon is known as synesthetic pain.

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Chameleons can change not only the color of their skin but also the shape of their body, adapting to their environment.

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The probability of giving birth to a left-handed child is twice as high for mothers over 40 years old compared to women under 30.

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If humans were capable of hearing frequencies lower than 20 Hz, we would hear our muscles moving.

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North Korea does not use the normal Gregorian calendar like most of the world. Instead it uses a different calendar system called the Juche calendar for numbering the years and year one of this calendar began on Kim Il Sung’s (The founder of North Korea) birthday.

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Cockroaches have the sharpest night vision of any creature studied by science.

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The World's Oldest and Largest Nile Crocodile in Captivity, Henry, is a 122-year-old 5-meter-long Nile Crocodile who lives in South Africa. He has fathered 10,000 offspring. He is estimated to weigh almost a ton.

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A person has about 2 million sweat glands.

The average adult loses 540 calories with every liter of sweat.

Men sweat approximately 40% more than women.

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🥒 In a kilogram of cucumbers, there are only about 150 calories, making this vegetable a dietary product.

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The term “nutritionist” is not legally protected nor regulated, so anyone can advertise themselves as a nutritionist regardless of education or credentials. Whereas the noscript of “dietitian” or specifically “registered dietitian” legally requires education via credited curriculum and passing a registration exam.

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🗑 Every year, people dump huge amounts of garbage into the oceans, which is three times the total weight of fish caught from the world's water bodies. This creates serious problems for the ecosystems of the oceans and seas, threatening marine life and human health. Reducing litter emissions and actively participating in a clean water program are becoming increasingly important for the health of the world's oceans and biodiversity.

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The Simpsons is the longest running animated series in the world.

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When our inner voice speaks in our head, it is accompanied by subtle muscle movements from our larynx.

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Eggs contain tyrosine, from which the body synthesizes norepinephrine and dopamine, which improve mood and give a feeling of cheerfulness.

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