The air is full of tiny, floating dust particles and droplets – known as “aerosols”. Many aerosols are…
Every time we breathe out, we send carbon dioxide gas into the atmosphere. Carbon dioxide is one example…
Have you ever suffered from sunburn? This burning of the skin is caused by ultraviolet (UV) light from…
Earthquakes are the deadliest of all natural disasters. Most deaths are caused by collapsing buildings or fires. Several…
Flooding is the world’s most expensive type of natural disaster. The cost of global flood damage is hundreds…
Fires can sweep through cities and rural areas alike. Woodland fires can burn at up to 800°C and…
There are about 1,500 active volcanoes, with 50 or so erupting each year. Most of these volcanoes are…
For many centuries, the only way to obtain a good view of a large area was to climb…
Forests cover almost a third of world’s land surface. Many of them are so vast that the only…
Mountain gorillas are close human relatives. However, hunting and the destruction of forests are threatening them with extinction.…
Every year, between 1 and 2 million people die from malaria. This deadly disease is spread from infected…
Clouds of choking smog; beaches coated in oil; rivers turned red by chemicals. All of these are obvious…
Earth is the ‘Goldilocks’ planet. It is neither too hot nor too cold. As a result, our world…
Do you want to know whether it will rain on your picnic or be sunny for your day…
Do you dread going to the dentist? Do you wish there was an easier way to obtain that…
Motoring took on a whole new look when Dutch students used space technology to build Nuna, the ultimate…
Today, we are used to watching live TV from the other side of the world. Sports events, interviews,…
Lakes are valuable sources of water and food, particularly in poor countries. However, they are easily damaged by…
Earth is the only world we know that has liquid water on its surface. Oceans cover seven tenths…
Most of the world’s population live near rivers. They depend on rivers for drinking, washing, fishing and watering…
