News Nation: According to a new study, fossils resembling miniaturised popcorn that date back millions of years provide the first statistical evidence that number of species on Earth depends on how the environment changes. Research conducted at University of Southampton in UK shows that environmental changes put a cap on species richness. This was based on analysing the fossil record of microscopic aquatic creatures called planktonic foraminifera.
"While the idea of infinite species on a finite Earth is clearly...