Four subtle tweaks to an enzyme could help explain why naked mole rats can live for nearly 30 years, an unusually long lifespan for creatures their size. In a study 1, published in Science today, ...

Legend has it that there's a rat for every person, more than eight million in total. The most recent popular estimate was around two million. But no one knows.

Naked mole rats live for up to 37 years – far longer than other rodents their size. What is the secret of their longevity? Among other factors, it could be down to a variant of an immune protein that ...