When Apollo 8 astronaut Bill Anders captured the iconic photo of the Earth rising above the surface of the Moon, he was taken by surprise. He’d been taking photos of craters and hadn’t expected to see the blue marble appear on the horizon. But he managed to take a snap that would later be dubbed the image of the century.

That was the story told in public for years. However, research in the Nasa archives by historian Robert Poole reveals that the photo had been much more planned than this tale lets on, as had the Christmas message the crew broadcast back to Earth.

Elsewhere today, we hear how, according to one new study, the degree to which someone is worried about climate change has no bearing on their willingness to make big changes to their lives to reduce it. Plus will new blood tests for dementia actually make a difference?

Paul Rincon

Commissioning Editor, Science, Technology and Business

The restored image of Earthrise. A high quality black and white image was coloured using hues from the original colour photos. Image Credit: NASA, Apollo 8 Crew, Bill Anders; Processing and License: Jim Weigang

Earthrise: historian uncovers the true origins of the ‘image of the century’

Robert Poole, University of Central Lancashire

Borman’s professionalism helped the risky Apollo 8 mission become a success.

Energy efficient lightbulbs are useful – but more radical actions are available. New Africa / shutterstock

Climate complacency: study finds even the most informed people would rather take the easy option

Alice Brock, University of Southampton; Ian Williams, University of Southampton

Everyone surveyed opted for the least impactful climate actions, regardless of their level of knowledge or worries.

Pickadook/Shutterstock

New blood tests for dementia announced, but what can they tell us and who will benefit?

Sebastian Walsh, University of Cambridge; Carol Brayne, University of Cambridge; Edo Richard, Radboud University

The NHS will trial a new blood test for dementia, which could be widely available in five years.

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