What does it take to become an astronaut?

The Guardian’s science editor, Ian Sample, talks to Madeleine Finlay about three eye-catching science stories from the week, including a study that suggests positive thinking can boost immune response. Also on the agenda is the mysterious rise of scabies in the UK, and the discov ...  Show more

Studies detecting microplastics throughout human bodies have made for alarming reading in recent years. But last week, the Guardian’s environment editor, Damian Carrington, reported on major doubts among a group of scientists about how some of this research has been conducted. Da ...  Show more

What's it like living underwater for two weeks? What's the trickiest part of training to be an astronaut? What are the most memorable sights you see from space? Several extreme questions, all of which can be answered by one man: Major Tim Peake.After a childhood packed with outdo ...  Show more

What's it like living underwater for two weeks? What's the trickiest part of training to be an astronaut? What are the most memorable sights you see from space? Several extreme questions, all of which can be answered by one man: Major Tim Peake. After a childhood packed with outd ...  Show more

Robin Ince and Brian Cox are joined by comedian Helen Keen ("It is Rocket Science") and space medicine expert Dr Kevin Fong, to discuss the future of human space travel. As NASA's space shuttle program comes to a close, what does the future hold in terms of humans bid to leave th ...  Show more

It's hard to imagine a more challenging work environment than the International Space Station. During her 24 years as a NASA astronaut, including a six-month stint on the ISS, Cady Coleman learned pivotal lessons about everything from managing stress and assessing risk to cross-c ...  Show more