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Where’s the best place to be buried to preserve your body as a fossil?

Where’s the best place to be buried to preserve your body as a fossil?

20 May 2020

Want to preserve your body as a fossil for future generations? Readers give their suggestions on the best ways to do it


How do city trees get enough water?

How do city trees get enough water?

20 May 2020

How can trees planted in concrete jungles get the water they need to survive from the soil? Our readers give answers


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How long can viruses survive outside the body?

13 May 2020

What do we know about how long cold, flu and coronaviruses can live on surfaces?


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Cats are famously grumpy, but do they have facial expressions?

13 May 2020

What is your pet cat trying to tell you? Readers divine feline thoughts


Fox

Awful eaters: Does anything eat foxes?

11 March 2020

Does anything eat foxes? A couple of answers from our readers suggest some likely and unlikely diners


Temperature

Hot and cold: Why do you feel cold at the same temperature in winter?

4 March 2020

In a room at 20 degrees, why is it comfortably warm in summer but feels chilly in winter? Readers respond


This week’s new questions

This week’s new questions

18 March 2020

When it rains, what is the material that is left on your windows to make them dirty? And how long does coronavirus survive outside the body?


plank

This week’s new questions

26 February 2020

Why is it easy to walk along a narrow plank when there’s no drop, but not if there's a 100-metre drop, and do people with larger ears have better hearing? Send us your thoughts


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Shrinking gravity: why doesn't gravity diminish over time?

4 December 2019

A reader wanted to know why rocks falling due to gravity don't make gravity decline. Other readers explain potential and kinetic energy and how it differs from gravity


woman asleep

This week's new questions

22 January 2020

How does a smartwatch detect sleep patterns, and why does the same temperature feel warm in summer but cold in winter? Send us your answers!