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HE21RH Chef decorating a meal made of fish

When did hominids start decorating food and do other species do it?

Experts make the case for food decoration as a symbolic act that's important for courtship 鈥� and show that no other animals do it like we do

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Lola the Cat, behind a window, London

How would our tech development have gone if glass wasn鈥檛 transparent?

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13 January 2023, UAE, Dubai: Assortment of Alcohol free beer bottles on a shelf of beverage shop; Shutterstock ID 2279500355; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

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EYCC30 Attraction and repulsion iron metal particles align up along the magnetic fields lines created by a bar magnet invisible to see

Could two negatively charged black holes repel each other?

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Battle cruiser approaching light speed in an outer space wormhole, 3d digitally rendered illustration; Shutterstock ID 91289105; purchase_order: -; job: -; client: -; other: -

How long would it take to speed up to 99 per cent light speed? Part 2

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2CCYRY3 Please Do Not Feed The Horses

This week鈥檚 new questions

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Hand of male holding soil in the hands for planting. Expert hand of farmer checking soil health before growth a seed of vegetable or plant seedling. Gardening technical, Agriculture concept.; Shutterstock ID 2252590625; purchase_order: -; job: -; client: -; other: -

How can I ensure that most of my body is used after my death?

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P2H56B Weasel standing upright, Mustela nivalis, Germany

Why do many animals have white underbellies? Part 2

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Male nose close up bottom view - hair in the nostrils; Shutterstock ID 1895123341; purchase_order: -; job: -; client: -; other: -

I see why we have two eyes and two ears 鈥� but why two nostrils? Part 2

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Piles of old tyres in a garage. Romania

This week鈥檚 new questions

Does car tyre pressure affect the radius of the wheel, or the speedometer or milometer (odometer) readings? And would the Amazon turning to savannah significantly reduce the oxygen in our atmosphere?

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Why does water never move in straight lines?

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I understand why we have two eyes and two ears 鈥� but why two nostrils?

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When did humans first start to sing? Part 2

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This week鈥檚 new questions

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