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Anamorphic Art
The National Gallery is holding a conference on the art and maths of anamorphosis, where the laws of perspective are taken to the extreme. Geoff meets Jim Hunt, Emeritus Professor of Physics at the University of Guelph in Ontario, Canada and artist Patrick Hughes in front of the best known anamorphic painting, Holbein鈥檚 The Ambassadors.

Genes That Make You Eat More
Professor Colin Palmer of the University of Dundee has discovered a gene that makes children eat more. The gene effects how much of a certain type of food they eat and those who have the gene seem to eat more of the highest calorie foods.

Melting Ice May Cool the Planet
Professor Rob Raiswell of the University of Leeds has discovered that as ice bergs and glaciers melt in the Southern Oceans they increase the amount of plankton in the sea. The plankton absorb carbon dioxide which could help counteract climate change.

The future of the Orang-utan
Conservationists estimate there are abut 50,000 orangutans in the forests of Borneo, and another 7,000 in Sumatra. In protected areas they鈥檙e doing well, but elsewhere deforestation driven by mining and the creation of palm oil plantations is posing a threat to their survival.