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We all forget things – but one listener on holiday in Croatia tells Claudia how he literally could not remember what he was doing on the beach after a swim. Luckily his memory came back. As Professor Adam Zeman from the University of Exeter explains, he suffered an episode of transient global amnesia, which can be caused by stress or cold water.

Data from the Earth’s climate has inspired a work of art. Climate Symphony, created by Disobedient Films, is a live music performance that turns hard data on climate change into a symphony to tell the story of what climate change means through sound. The artist-filmmaker Leah Borromeo explains how.

President Trump's promise to build a "great wall" along the US-Mexico border remains one of the central and most controversial promises of his presidency. But scientists from the University of Arizona are starting to unravel the effect that such a wall could have on a desert ecosystem it will cut through. The team is studying wildlife in the Sonoran Desert, which stretches across the border from Arizona into Mexico and is already divided by a barrier at the border. ³ÉÈË¿ìÊÖ science reporter Victoria Gill joined the team in a search for some of the desert's most endangered animals.

Liver cancer is a big killer in Mongolia as often tumours are only found once they are very advanced. Anu Anand visits Mongolia to learn about palliative care for patients with liver cancer.

New technology from Stanford University allows wireless chargers to ‘beam’ energy directly into electrical devices while they move around. Will the technology finally rid us of tangled cables?

Modeling the brain with maths. New research using multidimensional models is helping researchers understand the levels of complexity in brain function.

(Photo caption: Concerned senior man © Getty Images)

The Science Hour was presented by Claudia Hammond with comments from Victoria Gill, ³ÉÈË¿ìÊÖ Science Reporter

Producer: Caroline Steel

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