A man once dubbed the world's fattest has between three and four stone (22 to 27kg) of skin removed.

The European Space Agency gives financial backing to a Scottish project to use new technology to map tick hotspots and tackle Lyme disease.

Doctors' leaders launch a major campaign to stop "under pressure" medics "over-treating" patients with unnecessary tests and treatments.

It would be unethical and a "sin of omission" to prevent the genetic engineering of embryos, a leading scientist has argued.