Yet another Hacker News

22 points gumby 22 hours ago 3 comments

pvaldes 11 hours ago | parent

Yep. I suspected that that arctic shark couldn't be so old.

gus_massa 4 hours ago | parent

I think the age is calculated counting the "rings" in ... [looking at google] ... the vertebrae.

4ndrewl 43 minutes ago | parent

I thought this was a well known effect - it's certainly filtered down to some paperback popsci archaeology books I've read in the past few years.