Why does it seem like as people get older, it feels like time moves more quickly? This question is looked at, along with intriguing facts about organisms who have lived thousands and tens of thousands of years--with no signs of stopping.
Channels: Interesting Science Medical History
Tags: aging immortality youth
Uploaded by: layne.ransom.5 ( Send Message ) on 25-11-2012.
Duration: 4m 34s