Nature, Published online: 29 May 2026; doi:10.1038/d41586-026-01768-2

Magnetic immune cells in a homing pigeon’s liver might help it to navigate. Plus, the first clinical trial of a gene therapy to restore heart muscle and an unusual reptile museum in Ecuador.

Nature, Published online: 28 May 2026; doi:10.1038/d41586-026-01734-y

The new tool can predict ageing in rodents and monkeys — and time to death in people. Plus, zebrafish sleep in stages, similarly to humans, and the race to intercept lung cancer before it starts.

The biggest news stories of the week: An early look at the new version of Siri, reviews of Google's new wearable, GoPro's newest action cam and more!

The biggest news stories of the week: An early look at the new version of Siri, reviews of Google's new wearable, GoPro's newest action cam and more!