杏吧原创

Last Word

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?

Our readers point to a weak correlation between brain size and IQ, but also highlight the many pitfalls that would come with increasing the size of our brains

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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

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2H6020J Few pedestrians on the rather busy street in metaverse conceptual reality

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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CY810A Senior / mature man (aged 71) humorous portrait with prominent bushy wild unkempt eyebrows

This week鈥檚 new questions

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2T7WK87 Hooper, Colorado, USA - July 21, 2023: An alien welcomes visitors to the UFO Watchtower, a unique roadside attraction in the San Luis Valley.

Could an advanced civilisation develop without the wheel?

Our readers are split on this one - some point out that any advanced civilisation would surely stumble upon the wheel, while others believe the lack of a wheel could be beneficial in surprising ways

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Did abstract mathematics exist before the big bang? Part 2

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This week鈥檚 new questions

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How fast am I moving and in which direction?

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This week鈥檚 new questions

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