Science Q&A questions, quizzes and facts

What would happen if the Earth stopped spinning? Why is a green screen green? Do animals get hiccups?

At BBC Science Focus Magazine, our expert panel is ready to help you out and answer as many of the cool science questions you want to send our way.

We've answered thousands of questions over the years, so whether you're looking some quick science quiz questions for the kids, or a few facts that could come in handy down the pub, you're sure to find the answers you're looking for.

From answers to the big questions in science (maybe) or just some fun science facts (definitely) you have found the right spot.

To submit your questions email us at questions@sciencefocus.com (don't forget to include your name and location) or tweet (and follow) @sciencefocusQA

The Human Body

There is a lot of debate over what causes these small indentations found on your skin.

Adrenaline is a hormone that sends the ‘battle stations!’ signal to your body.

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Space

Your guide to when you can see shooting stars in the UK, including how many you can expect to spot.

Comet C/2022 E3 ZTF will visit our skies this month, and it might even be visible to the naked eye.

Your guide to understanding the apparent retrograde motion of the planets.

What is a Dyson sphere? How would a Dyson sphere work? Could they be responsible for strange signals from space?

Everyday Science

At 36 letters long, it's one of the longest words in the dictionary.

Here's why some people get so defensive, and how to avoid hurting someone's ego.

Holding a perpetually positive outlook can invalidate your feelings and those of people around you.

If you’ve been lying in bed unable to sleep for 15-20 minutes or more, it’s a good idea to get out of bed and do something else (ideally in another room).

Future Technology

GAN stands for generative adversarial network; a machine-learning model widely used in image and video generation.

Is the metaverse really the future? Or has Mark Zuckerberg missed a crucial flaw?

The future of NFTs isn't art but digital certificates.

It incorporates blockchain technology, cryptocurrency and NFTs.

Nature

These giant multi-coloured squirrels are shades of purple, orange and red, and weigh up to 2kg.

Precocial birds are those capable of moving around on their own soon after hatching, and it's for these birds - like geese, ducks and grouse - that imprinting is strongest.

When scientists first studied the fossilised remains of this strange, spiky, worm-like creature, they couldn’t tell its ‘up’ from its ‘down’, or its front from its back.

This diverse kingdom includes yeasts, moulds, mushrooms and toadstools.

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All we have are fossils and footprints, so how do we know how dinosaurs moved?

Earth has been slowly cooling since it formed 4.5 billion years ago - but what if it had never had a hot, molten core?

How different would our world look?

Large volcanic eruptions can eject significant amounts of carbon dioxide into the atmosphere.