Ever Want to Curl Into a Ball? Fossils Show How Trilobites Did It.

Fossils collected more than 150 years ago show that the techniques some creatures use for defensive curling have not changed in millions of years.

Related Keywords

Sarah Losso ,Jorge Esteve ,Charles Doolittle Walcott ,Complutense University Of Madrid ,Museum Of Comparative Zoology At Harvard University ,Proceedings Of The Royal Society ,Harvard University ,Paleozoic Era ,New York ,Walcott Rust Quarry ,Comparative Zoology ,Complutense University , ,Fossil ,Anatomy And Physiology ,Paleontology ,Animal Behavior ,Fish ,Research ,Proceedings Of The Royal Society B ,Your Feed Science ,Your Feed Animals ,