Alexis Carrel and the immortal chicken heart

Tony Juniper is an environmentalist who has worn many hats, over the course of his career. After developing a passion for birds in childhood, his first job saw him working to save endangered parrots - including a successful effort to bring back the Spix's macaw from the edge of e ...  Show more

The COP30 climate summit is taking place in the Brazilian city of Belém, a gateway to the Amazon rainforest, which continues to face widespread deforestation. We all know that our climate is changing and that we are largely responsible for this, but we can’t tackle the problem un ...  Show more

Philip Ball tells the story of Alexis Carrel, the French surgeon who worked to preserve life outside the body and create an immortal chicken heart in a dish. His quest was to renew ageing flesh, repair and rebuild our bodies and keep them healthy far beyond the usual human lifesp ...  Show more

Human life expectancy has been increasing for decades. In many developed countries, we can now expect to live into our 80s, and it isn’t uncommon to live to 90 or even 100 years old. But eventually our bodies fail, old age is undoubtedly a clear indicator of approaching death. Th ...  Show more

Researchers have developed a medical imaging technique which reveals where in the body HIV lies hidden, even when people have their infection well controlled by antiviral drugs. The team at the University of California, San Francisco hope this will lead to better treatments and e ...  Show more

Researchers have found a way to produce a naturally occurring mineral, magnesite, in a lab, that can absorb CO2 from the atmosphere, offering a potential strategy for tackling climate change. They've accelerated a process that normally takes thousands of years to a matter of days ...  Show more