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Last Word

A young child has both his thumbs on middle C. There are stickers on each key to guide him through the octaves and notes.

This week鈥檚 new questions

Why do we only use 12 notes in Western music? And all life on Earth is based on DNA. If we ever find life on other worlds, are there viable alternatives for coding for life that it may be based on?

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H2HW3X Multiple universes in the infinite space

Could there be smaller universes in the particles we know of?

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Group of Asian friends having fun enjoying beach camping in summer

Is music an essential part of human evolution?

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E8YY3W Jackdaw (Corvus monedula) with a bramble stick approaching its nest hole in a recently pollarded willow trunk, Gloucestershire.

This week鈥檚 new questions

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Network of mesh lines forming brains of different sizes in dark background with red and yellow glowing particles. 3D illustration of the concept of artificial intelligence, ideas and creativity; Shutterstock ID 2417477169; purchase_order: -; job: -; client: -; other: -

If human brains could be made larger, how much smarter could we be?

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A radar-equipped speed camera monitors the traffic on a road, flashing a yellow light when it catches a car exceeding the speed limit, and using technology to identify the vehicle and enforce the law.; Shutterstock ID 2392738707; purchase_order: -; job: -; client: -; other: -

How fast am I moving and in which direction? Part 2

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whale jumping out of water in iceland; Shutterstock ID 745407220; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

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hot Jupiter class exoplanet, gas giant planet lit by an alien sun (3d space rendering); Shutterstock ID 1150780133; purchase_order: -; job: -; client: -; other: -

What would happen if a rogue planet passed through our solar system?

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Cat Last Word

Why do cats like to sit on newspapers and magazines?

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2C166J1 Silhouette of a human with skin flora,microorganisms which naturally colonize the human skin - 3d illustration

This week鈥檚 new questions

When I die what happens to my microbiome? And does space really smell like an overdone barbecue, as astronaut Tim Peake has said?

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Is there evidence disproving the notion we are part of a simulation?

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How do we know that gravity has the same speed as light?

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This week鈥檚 new questions

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Could an advanced civilisation develop without the wheel?

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