Make a simple box around 20cm deep, or cut the top off a plastic squash bottle and use the remaining bottom, applying masking tape to cover the sharp cut edge. Add a hole at the back to fix it to a sh

Clouds of noxious gas, stink bombs and purple smokescreens may sound like schoolboy pranks, but the animal world is just as capable of executing arresting chemical warfare, says Deborah Nicholls-Lee

Help your indoor plants to thrive during the ...

Preparing the greenhouse, caring for citrus and growing ...

Organic gardening helps predators such as ladybirds, which ...

An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey