Humans have long been fascinated with the idea of aging, or more specifically, the quest to remain youthful. Now, scientific advancements are beginning to catch up with this obsession. Longevity is a trending topic, from university research labs to Silicon Valley startups., In the second installment of a special three-part Science Weekly mini-series on aging,, Ian Sample interviews Venki Ramakrishnan, Nobel Laureate in Chemistry and author of Why We Die. Ramakrishnan discusses the most promising scientific developments in longevity and explores some of the more unconventional methods the wealthy are using to extend their lives, including blood transfusions and cryonics.

Disclaimer: This podcast is taken from The Guardian.