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This week’s new questions

This week’s new questions

5 May 2021

Is it possible for a loud sound to be so brief that we can’t hear it? And where did the microbes that turn milk into yogurt come from?
How does porridge manage to stick to non-stick pans?

How does porridge manage to stick to non-stick pans?

5 May 2021

The physics of fluids explains why porridge sticks to non-stick pans - it also explains how you can stop it from happening
Why do some things, like fresh coffee, smell better than they taste?

Why do some things, like fresh coffee, smell better than they taste?

5 May 2021

Many people find that coffee smells much better than it tastes, here’s the scientific explanation from our readers. Plus why cheese induces the opposite effect
What could happen to change gravity on Earth as we know it?

What could happen to change gravity on Earth as we know it?

5 May 2021

Readers give several ways in which gravity on Earth could significantly change, but none of them would be good news for the planet

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