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This week’s new questions

This week’s new questions

3 February 2021

Is there any harm in drinking too much tea? And when I can’t remember something but know that the memory is in my head, how do I know that I knew it?
When walking, does a person who takes more steps get more exercise?

When walking, does a person who takes more steps get more exercise?

3 February 2021

One reader, out walking with his wife, takes five paces for every six of hers. Does this mean she is getting more exercise than him?
Why do some people struggle to tell left from right (continued)?

Why do some people struggle to tell left from right (continued)?

3 February 2021

New Scientist readers provide further insight into this surprisingly common problem, including a solution from the Guugu Yimithirr people of Australia and another using hay and straw to help soldiers march in step

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