Crash Course History of Science
       
      Crash Course History of Science
      Earth Science (1x20)
      
      :  10, 2018
      It's Earth Science time!!!! In this field, natural philosophers were asking questions like, what’s up with fossils? Are they the remains of extinct organisms? Or are they so-called “sports of nature”—rocks that just happen to look like living things but don’t /mean/ anything? And most importantly, how old is… everything?