Archaeologists working in northeastern Spain say a cache of conch shells was not just decorative debris from ancient shorelines but a set of carefully modified instruments that once filled Neolithic ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Add Yahoo as a preferred source to see more of our stories on Google. The conch shell is made of the same material as chalk, but unlike the crumbly rock, it's one of the toughest materials out there.

The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...