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What happens when you pull a muscle?
(Image source: Pixabay) Question from Stef Ingham Muscles are made up of thousands of fibres, and if they are overstretched or torn the result can be pretty painful. The medical term is muscle strain,... The post What happens when you pull a muscle? appeared first on How It Works.

What happens in the stomach?
This hollow organ is the mixing-machine of the digestive system (Image source: Future PLC) The period after we’ve just finished a meal is a crucial time for digestion. The recently arrived food bolus –... The post What happens in the stomach? appeared first on How It Works.

Meet the Mars Starship
How this prototype space vehicle could one day take humans to the Red Planet Image credit: SpaceX The US company SpaceX has made no secret of its ultimate goal to send humans to Mars.... The post Meet the Mars Starship appeared first on How It Works.

Military animals
From anti-tank dogs to exploding rats, discover history’s failed attempts at drafting animals into the armed forces Throughout history, humans have enlisted the help of animals to conquer countries, defend territories and defeat adversaries.... The post Military animals appeared first on How It Works.

How limpets are underwater gardeners?
They might appear lifeless and unimportant, but limpets play a big role in their ecosystem Image source: Pixabay ‘Limpet’ is a term that’s used to describe a variety of both freshwater and marine gastropods... The post How limpets are underwater gardeners? appeared first on How It Works.

How do fighter jets refuel mid-air?
RAF Voyager is a flying tanker, on a mission to keep fighter jets aloft for as long as possible Image credit: Future plc Staring out of the window of an Airbus A330 aircraft, the... The post How do fighter jets refuel mid-air? appeared first on How It Works.

Inside the human foot
One of the first things we learn to do is walk, but how exactly do we move from heel to toe? (Image source: Pixabay) With every step we take, a set of biological cogs... The post Inside the human foot appeared first on How It Works.

Why are there so many castles in Britain?
(Image credit: Joshua Miranda) Question from Laura Torres Britain was in a state of civil war for much of the Middle Ages, as nobles feuded with each other or revolted against the king. Lords... The post Why are there so many castles in Britain? appeared first on How It Works.

Why do we lie?
It’s not just bad behaviour – deception is a product of evolution and it gives your brain a real workout Image credit: Getty images Your dog really did eat your homework, and you have... The post Why do we lie? appeared first on How It Works.

How to create a rainbow
With a few simple items, you can create a rainbow on your wall at home 1. Set up your bowl To create your rainbow, the first step is to find a shallow bowl and... The post How to create a rainbow appeared first on How It Works.