The shells tell an epic story of 500 million years of ocean survival

Over the past 540 million years, fossil shellfish files show an increase in marine biomass with the hand with biodiversity, plunging only during the great extinctions of the planet. Stanford scientists have gathered 7,700 limestone samples to reveal that the more diverse seas recycle nutrients better and build larger food networks – an old trend now threatened by the loss of human -oriented species. Ocean life trends in one billion years […]