Numerical ages estimate the date of a geological event and can sometimes reveal quite precisely when a fossil species existed in time. Third, magnetism in rocks can be used to estimate the age of ...

Two species of marine molluscs dating back about 430 million years have been named Punk and Emo for their outlandish spiky appearance ...

Punk ferox was named due to the fancied resemblance of the spicule array to the spiked hairstyles associated with the punk rock movement.