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Science

How does the healing process work?

The human body has amazing regenerative powers, but how do they work? Find out in just 30 seconds with our simple explanation, complete with illustrations! Find the answer to more baffling questions in How It Works magazine. Issue 72 is now on … Continued

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Science

How do spiders make webs?

A spider’s web is one of nature’s greatest engineering feats, but how are they made? Find out in just 30 seconds with our simple explanation, complete with illustrations! Find the answer to more baffling questions in How It Works magazine. Order it … Continued

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Science

Is laughter contagious?

Have you ever started giggling just because your friend is too? Or found yourself chuckling along with a programme on the TV? Find out why laughter is so contagious with our latest video… Find the answer to more baffling questions in How … Continued

Heart transplant illustration
Science

How does a heart transplant work?

Replacing a heart is obviously a complicated procedure, but how is it done? Find out in just 30 seconds with our simple explanation, complete with illustrations! Find the answer to more baffling questions in How It Works magazine. Order it in print, download it onto … Continued

Time
Science

How is time measured?

Our measurement of time is determined by the orbit of the Earth around the Sun, and the Moon around the Earth. In the western world we use what is known as the Gregorian calendar, as described here. However there are … Continued

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Science

How do we calculate where magnetic north is?

Rather than calculating the magnetic poles, they must be found by expedition. They are defined as the points on Earth’s surface where the magnetic field points vertically down, so you need to be on top of them to really know. … Continued

Skin illustration
Science

Top 5 Facts: Skin

1) Bacteria thrive on human skin Every square inch of skin has an average of 32 million bacteria on it… no matter how many baths or showers you have a day! 2) You shed skin every day Every 24 hours, you … Continued

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Science

How to cope with the clock change

On Sunday 29 March the clocks go forward by an hour, meaning we lose an hour of sleep. This can throw the circadian rhythms that control your body clock out of sync, making it difficult to get up at your usual … Continued

vaccine
Science

How do inoculations work?

The term inoculation and vaccination are used interchangeably. They involve introducing a foreign substance (antigens) into the body, causing antibody production. These can either be dead, made less harmful, or just contain certain bits that cause disease. White blood cells … Continued

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Science

Home science experiments: how to create a rainbow

It’s British Science Week, and here at How It Works we’re celebrating by showing you some of our favourite science experiments that you can try at home. Here’s what you’ll need to make a rainbow for yourself. Checklist: Glass of water Cardboard Scissors … Continued

DIY crystals
Science

Home science experiments: Grow your own crystals

It’s British Science Week, and here at How It Works we’re celebrating by showing you some of our favourite science experiments that you can try at home. Here’s how you can grow your own crystals using just salt and water! You will need: 75g … Continued

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Science

Home science experiments: How to bend water

It’s British Science Week, and here at How It Works we’re celebrating by showing you some of our favourite science experiments that you can try at home. Here’s how you can bend water with a clever experiment you can easily in … Continued

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Science

Home science experiments: How to make a catapult

It’s British Science Week, and here at How It Works we’re celebrating by showing you some of our favourite science experiments that you can try at home. Here’s how you can make your very own home made catapult with four simple … Continued

Home made magnet
Science

Home science experiments: How to make a magnet

It’s British Science Week, and here at How It Works we’re celebrating by showing you some of our favourite science experiments that you can try at home. Here’s how you can create your own electromagnet from the contents of a toolbox! … Continued

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Science

Learn how life’s building blocks shape our world

Every one of us is made up of a number of different elements. They are responsible for the construction of all matter, not just our bodies. Whether you want to learn more about fundamental elements such as carbon and hydrogen, … Continued

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Science

What is a ‘red-out’ and how is it caused?

Red-outs and black-outs usually happen to pilots making rather tight manoeuvres. If the plane makes a tight turn in a certain direction, blood is ‘left behind’ and rushes to the lower parts of the body. Without enough oxygen in the … Continued

Stained glass window in Siena
Science

How is glass able to block infrared light?

Infrared light is a form of electromagnetic wave consisting of longer wavelengths than that of visible light. How any light interacts with materials depends on the arrangement of atoms – specifically the arrangement of the electrons – in the material, … Continued

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Science

Why are bubbles spherical?

The skin of a bubble is composed of a thin layer of water molecules sandwiched between two layers of soap molecules. Water on its own has a high surface tension due to intermolecular forces causing molecules to pull on one … Continued

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