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Last Word

experienced hand of the old music teacher helps the child pupil; Shutterstock ID 379622230; purchase_order: -; job: -; client: -; other: -

Why is the left hand used for intricate fingerwork on the violin?

The right hand is used for the more complex key pressings on the piano, but our readers explain why it is different when playing the violin

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PFCXPY Aggressive Hiss Maine Coon Cat, Looking in Camera Isolated on Black Background

How and why is hissing so common in the animal kingdom?

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Is it possible to tell sunrise from sunset in an image? (Part 2)

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Aerial View of Mount Everest 8,848 m (29,029 ft), Himalaya, Nepal, Asia.

This week’s new questions

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MXMH8X colorful water drop splash

I fill a tub with water by gravity, but what happens to the gravity?

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People say ‘laughter is the best medicine’, but does it actually help?

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Aerial view of car driving on beautiful steep curved road (look like number 3) on the high mountain in Nan province, Thailand.; Shutterstock ID 1815816242; purchase_order: -; job: -; client: -; other: -

This week’s new questions

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A low angle action shot of a road cyclist approaching a smooth tarmac hill on a group ride around Seva, Catalonia, Spain.

Why are the gears and chain always on the right‑hand side of bicycles?

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little hungry birds Tits on the bird feeder eating fat; Shutterstock ID 588202970; purchase_order: -; job: -; client: -; other: -

Do birds have faster reaction times than humans?

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Would a tug of war be possible between France and England? (part 2)

One reader suggests a mechanism to enable a tug of war over the 42-kilometre distance between France and England and raises concerns about interference due to the curvature of Earth

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This week’s new questions

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How was rhubarb found to be edible when it isn’t palatable raw?

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How would weather change if Earth rotated in the opposite direction?

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This week’s new questions

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