What's new in science, technology and medicine.
Tonight: a report on new life for old masters as art and science get together at the National Gallery. The latest digital technology is being harnessed to keep precise records of the colour and texture of paintings. If fading and cracking are detected early enough, further deterioration can be prevented. And cows may not be jumping over the moon but they are bouncing off satellites.
Farmers all over Britain may soon be able to watch a special television channel and bid for cattle from their armchairs.
With Judith Hann , Howard
Stableford, Kate Bellingham and Carmen Pryce. Producer Martin Mortimore Editor Dana Purvis
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