午夜福利1000集合

Last Word

Pink flowering pelargonium turning red.

Why did a piece of pink geranium make red flowers after breaking off?

This is a 鈥渟port鈥�, a new variety discovered as a result of genetic mutation, and it is quite common for the mutation to reverse itself - although irritating for horticulturalists propagating variegated plants, say our readers

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2A65AYC Woman stroking her Pet dumbo rat

Given the impact of cats, why don鈥檛 we domesticate more rats? (Part 2)

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Four cheerful female friends having fun on summer road trip

Which is more efficient when cooling a car, A/C or windows? (Part 2)

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Mandatory Credit: Photo by Dasha Petrenko/imageBROKER/Shutterstock (13916956bb) Gym woman doing push up exercises with dumbbells. Strong brunette female doing crossfit workout Various 23afbhbada

This week鈥檚 new questions

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The surface of Venus, the irregularities of the planet. Elements of this image furnished by NASA. High quality photo; Shutterstock ID 2157724597; purchase_order: -; job: -; client: -; other: -

Would it be theoretically possible to build a habitable dome on Venus?

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A close up of an Old Indian Square coin or Currency ( Written 20th Part of Rupee, 5 Paise, 1968 in Hindi Language ) ; Shutterstock ID 1555549076; purchase_order: -; job: -; client: -; other: -

Why does a ‘square’ coin sliding down a slope soon fall over?

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Eucalyptus Wandoo or White Gum, endemic to the Southwest of Western Australia. A gum tree native to this area of the WA Wheatbelt.

This week鈥檚 new questions

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Big dog meets small dog; Shutterstock ID 2045462630; purchase_order: -; job: -; client: -; other: -

How do dogs recognise other dogs when there are so many canine types?

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2J9HJCG Smiling woman wearing towel spraying deodorant on body at home

Spraying a can of deodorant, why does it get cold when it runs out?

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A diver catches an octopus underwater

Why do humans pat animals on the head? (continued)

One reader adds that this is safer than patting anywhere near teeth, claws or octopus limbs

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This week鈥檚 new questions

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If we all lined up with our arms touching, where would this circle be?

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Given the impact of cats, why don鈥檛 we domesticate more rats as pets?

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Why can鈥檛 we conjure up smell and touch in our heads? (part 2)

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