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CHEETAH acinonyx jubatus, Adult running through Savannah ; Shutterstock ID 1652757304; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

Must the evolution of any adapted trait in nature reach a limit? If an antimatter comet or meteor came into our solar system, how would we know?

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The Garden spider is the UK's most common orb web spider and is abundant in gardens, grassland and woodland "u2013 it can be found almost everywhere, in fact. It builds a 'typical' spider web (spirals with radial threads) out of sticky silk.

If I walk through a聽spider鈥檚 web, what are its chances of survival?

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Asteroi?d impact. The doomsday and extinction scene. Meteor hits the planet at high speed. ; Shutterstock ID 2645714679; purchase_order: -; job: -; client: -; other: -

Could a massive asteroid that hit Mars or the moon affect Earth?

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2XHMJ3E Mixed breed dog running through grass with large stick in mouth

Why do dogs bring back a stick if you throw it? Part 2

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Sao Paulo, Brazil - November 26, 2015: Intense traffic in the Consolacao avenue, Sao Paulo, Brazil. It shows the dynamics of the traffic in that busy spot.; Shutterstock ID 347285747; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

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3D illustration of A space station flies through the vastness of space. Spacecraft, spaceship design. High quality digital space sci-fi art in 5K - realistic visualization. Render; Shutterstock ID 2565680455; purchase_order: -; job: -; client: -; other: -

What would the surface of a neutron star look like?

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2XHMJ3E Mixed breed dog running through grass with large stick in mouth

Why do dogs bring back a stick if you throw it?

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RBJEJN Woman talking to her baby lying on a bed at home. Mother caring and pampering her baby.

Why do we speak to babies and pets in cute, silly voices? Part 2

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Headshot of a 13 year old teenage girl with purple hair and braces. She is standing outdoors with buildings out of focus in the background. She is rolling her eyes and frowning slightly, a typical adolescent.

This week鈥檚 new questions

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Ripples in the pond; Shutterstock ID 356810405; purchase_order: -; job: -; client: -; other: -

What would happen if water had no meniscus or surface tension?

Our readers agree that the world would be a very different place if water displayed no surface tension, making life on Earth impossible

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I want to warm up fast, should I put on聽my trousers or my top first?

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Why are there 60 seconds in a聽minute and 60 minutes in an hour? part 2

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This week鈥檚 new questions

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Does left-handedness or right-handedness make for a better pianist?

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