Weird rains are not limited to Britain - they have been recorded all over the world, throughout the ages.

BBC: NEWS | UK | Magazine | How can it rain fish?

On World Food Day, 16 October - and throughout the year - students all over the world can use these lessons to gain a better understanding of hunger and malnutrition.

UNESCO: UK National Commission for UNESCO :: Education materials from UNESCO and partner organisations

Throughout the years, plants have been brought here from all over the world and now, in the form of its outreach work, knowledge flows the other way.

BBC: What are botanic gardens for?

Qanats have proved to be an extraordinarily valuable and sustainable traditional technology, which throughout the historical ages has been transferred from ancient Persia where it originated to numerous countries all over the world, particularly those with arid and semi-arid climates.

UNESCO: Communication and Information