Botanists have found a stand of rare trees in Tanzania’s Zanzibar archipelago not known to grow wild anywhere else in Africa.

For people with chronic wounds, this is a reality. But experts have created an artificial skin that can protect and detect things the way human skin does. Artificial skin, or electronic skin (e ...

This oak tree has stood in this very spot since long before he or I walked the Earth. It is early winter when MacKenzie, an atmospheric scientist and director of Birmingham University Institute ...

How are you? Ah, must have been a good costume. And that's a great example of the word we're looking at in this programme - 'twig'. It's an informal British English verb and if you 'twig', it ...