Earth may have a 'pulse' every 60million years that's been causing mysterious mass extinctions

Earth may have a 'pulse' every 60million years that's been causing mysterious mass extinctions | Mail Online: "A mysterious cycle of booms and busts in marine biodiversity over the past 500million years could be tied to a ‘pulse of the Earth’ – a periodic uplifting of continents that results in the seas being too shallow for species to survive in, according to a new study."