How do waterfalls form?

They are one of the most spectacular and majestic sites in nature, but how do waterfalls form? 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. … Continued


Earth illustration

Top 5 Facts: Earth’s axis and tides

1) Day and night During Earth’s year-long orbit round the Sun, it also rotates once a day round its axis, an imaginary line passing through the North and South Poles, creating day and night. 2) The seasons Earth’s axis tilts at … Continued

Duck-billed platypus

Why do some mammals lay eggs?

Mammals such as the duck-billed platypus continue to lay eggs, but they actually never really stopped. Mammals began to evolve from egg-laying reptiles around 200 million years ago. An example of an early mammal-like reptile is Thrinaxodon. About 180 million … Continued


Why are butterflies born as caterpillars, not butterflies?

Nature has given butterflies the best adaptations, not only for their survival, but also for the survival of other forms of life that depend on them. Butterflies pass through a four-stage life cycle: egg, caterpillar, chrysalis and butterfly. The caterpillar is … Continued


What is the wind chill factor?

The human body loses heat in a number of ways including conduction and convection. Conduction is heat transferred between two areas of matter and convection occurs within fluids and gases like air. These two combine when we lose our heat … Continued


Top 5 Facts: Climate change

1) Warming up Average global temperatures increased by 0.85°C (1.53°F) between 1880 and 2012, and that figure is likely to reach 1.5°C (2.7°F) by the end of this century. 2) Sea levels The global average sea level rose by 19cm … Continued


Volcanoes & Earthquakes bookazine now on sale!

Has the recent eruption in Chile sparked an interest in everything related to volcanoes? Perhaps you’d prefer to learn more about the cause of earthquakes? ‘Volcanoes & Earthquakes’ is the latest bookazine from How It Works. It tackles both of … Continued


Top 5 Facts: Sharks

1) Huge liver The liver of a shark can comprise up to 30 per cent of its body mass and performs an incredible number of tasks, including keeping it afloat. 2) No reverse gear Sharks can’t use their fins to paddle, … Continued

A macro photograph of an ant on a leaf

Top 5 Facts: Ants

1) Strength in numbers Approximately 12,000 known species of ant compose around about 1.4% of the world’s total insect species. 2) Survival of the fittest The family Formicidae are hardy little critters, who have existed on Earth for more than 140 million … Continued

Mesquite Sand Dunes in Death Valley

Singing sand dunes explained

Sand dunes are a spectacular feature of some of the world’s driest landscapes, but did you know that these mountains of sand can also be heard as well as seen? So called singing or booming sand dunes emit a low-pitched droning or … Continued

Bee on a flower

How do bees make honey?

Honey begins its journey as nectar, the sugar water produced by flowers. Worker bees visit up to 1,500 flowers a flight, sucking nectar through straw-like tubes and storing it in their honey sacs. The honey sac or crop contains an enzyme … Continued

Rhino Week

World Of Animals launches Rhino Week to help fight illegal poaching

Rhino Week begins on Monday 26 January, with World Of Animals running daily rhino-related giveaways to raise awareness of their #SaveRhinosNow campaign. The recent Ebola outbreak has caused a major decline in African tourism, leading to a dramatic drop in funds for the Ol Pejeta … Continued

Nature's Deadliest Animals

Discover nature’s deadliest animals and how they attack their prey

We’ve teamed up with World Of Animals magazine to bring you a comprehensive guide to the world’s deadliest animals. From great white sharks and crocodiles, to lions, tigers and polar bears, discover how these incredible creatures attack with our jaw-dropping digital book. … Continued

Antarctic ice

How thick is the ice in the Antarctic?

The thickness of Antarctic ice is tough to measure because it is literally freezing on top and hard to reach at the bottom. The underside of the thinnest sheets is estimated to be less than 200 metres (656 feet) from … Continued

Lions in profile

Top 5 Facts: Lions

1) Different from the pack Occasionally lions have cream-coloured fur. These were once thought to be a separate species but it’s actually a rare genetic morph called leucism. 2) Not so lionhearted Lions have relatively small hearts for their body … Continued

Albino wallaby

Why are some animals albino?

Although albinism is rare, many animals (including humans) are at risk of it. Being albino refers to a complete absence, or in some cases a reduction in the levels, of melanin that cause pigmentation of the skin, eyes and hair. This … Continued

rip tides, sea, ocean, currant, tide, coastline, sand bar, trench

What are rip tides?

How are rip tides, the unseen danger of the sea, created?


Why do peacocks have such unusual feathers?

The standard explanation, first posited by Charles Darwin, is that the peacock is advertising to the peahen what a good mate he will make. Peahens choose the males with the most impressive tails because it demonstrates that they are healthy … Continued

Bee on a flower

Why do bees buzz?

Bees, like most insects, don’t have muscles directly connected to their wings. Instead, the flight muscles are attached to the roof wall of the thorax. When it is pulled down, the thorax suddenly pops inward, like the dent that appears when … Continued


How does a shark navigate?

Sharks have a special electric sense that enables them to home in on small electric signals generated by prey. But the special electroreceptors in their skin also appear to be important in the long trans-oceanic migrations made by some species. The receptors develop … Continued


Watch the hognose snake play dead to deceive predators

Hognose snakes are incredibly skilled at scaring off predators, but they also have another cunning trick to use as a back up. If their initial defence, which involves spreading out their neck to mimic a cobra snake and hissing and striking, doesn’t … Continued

Gecko found on rope in Antigua

Gecko-inspired gloves let you scale walls of glass

Being able to scale walls like Spider-Man has just gone from being comic-book fiction to an exciting reality. A newly developed synthetic adhesion system inspired by geckos has been created and tested, enabling a 70-kilogram (154-pound) human to scale a 3.6-metre (12-foot) pane … Continued

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