Tag «nature»

What’s so special about these amoebae? | Natural History Museum

What’s so special about these amoebae? | Natural History Museum

You might think single-celled organisms are simple creatures but they can do extraordinary things I study a group of microscopic single-celled organisms called testate amoebae, which show some pretty incredible behaviours. First of all, they build shells that are unique to each species, with features like armoured plates, spines and sometimes even teeth. Some species …

How to make a bird box | Natural History Museum

What you need Wood, nails, wire, pliers, terracotta pot, file, hammer and hosepipe. Step 1. Build Use the file to enlarge the drainage hole to the correct size for your bird species. 25mm for coal tits, marsh tits and blue tits. 28mm for great tits and tree sparrows. 32mm for nuthatches and house sparrows. Hammer …

Lungs 101 | National Geographic

– [Narrator] Breathe in, breathe out. With every breath, the body is replenished and cleansed. A process made possible by two of the body’s most important and delicate organs. The lungs are two major components of the respiratory system. Soft, light, and elastic, these organs are prime for taking in and filling up with air. …

Wildfires 101 | National Geographic

Wildfires 101 | National Geographic

– [Narrator] On average, wildfires burn up to five million acres of land in the United States each year. While they can start naturally, wildfires are often caused by humans with devastating consequences. Wildfires are large, uncontrolled infernos that burn and quickly spread through wild landscapes. Types of wildfires may include forest, brush, and peatland …