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Father and 2 little boys are walking dog in winter forest

This week’s new questions

Why don’t my dog’s feet freeze in the snow? And why do violinists use their left hand for intricate fingerwork, whereas on the piano the more complex notes are played by the right hand?

Planet Earth Morning 3D. Elements of this image furnished by NASA.; Shutterstock ID 328174808; purchase_order: -; job: -; client: -; other: -

Do I weigh more at night due to the gravitational pull of the sun?

How do eardrums convey sound? Don’t the various frequencies interfere?

T4AEYJ Stellar explosion shining in deep space, cosmic star blast in Universe. High resolution galaxy background.

In which direction in the sky did the big bang take place? (part 2)

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

This week’s new questions

Scones

How does a scone develop a “waist” as it rises in the oven?

Loosen bolt in daylight close up.; Shutterstock ID 1195047430; purchase_order: -; job: -; client: -; other: -

Why do loose screws only get looser, not the other way round? (part 2)

MXMH8X colorful water drop splash

This week’s new questions

Sore Tooth Decay. Dental Care And Pain; Shutterstock ID 1895847487; purchase_order: -; job: -; client: -; other: -

What is the point in having nerve endings in our teeth?

2CTJXXG Male fitness instructor with women lifting weights while standing in yard

Doing strenuous exercise, it helps to shout the number of reps. Why?

Calling out the number of repetitions when doing exercise such as a weightlifting could have numerous benefits, say our readers - both physical and psychological

Would a tug of war be possible over 42 km between France and England?

How much of my body from 40 years ago is part of me today? (part 2)

This week’s new questions

What is the most efficient way to load passengers into an aircraft?