Elephants
Environment

Top 5 Facts: Elephants

Elephants are the largest land animals in the world, with African males averaging five tons. They have evolved to this huge size to protect themselves from predators but almost everything that makes an elephant unique is a consequence of this bulk. … Continued

captiveLemonShark02
Environment

Why do sharks go into a tonic state when flipped over?

Many animals are capable of entering a trancelike state called tonic immobility whereby they appear dead to their surroundings. In the case of sharks it has been observed on many different species such as the lemon shark, reef shark and tiger … Continued

Stingray
Environment

How do stingrays eat?

Stingrays, like other members of the ray family, are bottom feeders. They are related to sharks but they don’t have sharp teeth. Depending on the species, they may either have two hard plates for crushing shellfish or just sucking mouthparts. Stingrays … Continued

Mushroom-High-Resolution-Backgrounds
Environment

How can you tell if a mushroom is poisonous?

There are many different types of mushroom, so without getting a good grasp of individual kinds of mushroom it would be difficult to say whether they are poisonous or not. A general rule would be to never consume a mushroom … Continued

Rainforest
Environment

Top 5 Facts: Rainforest

1) Percentage power Scientists believe up to 75 per cent of the Earth’s species are indigenous to the rainforests. Despite this stunning figure, it is also postulated that millions have yet to be discovered. 2) Parrots-et-em-all The rainforests are also … Continued

Waterfall in Luang Prabang, Laos
Environment

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
Environment

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
Environment

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

Butterfly
Environment

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

3-2-1-peoplearesee
Environment

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

Earth
Environment

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

RS57950_001_HIWV&E_01
Environment

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

Shark
Environment

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
Environment

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
Environment

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
Environment

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
Environment

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
Environment

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
Environment

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
Environment

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
Environment

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

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