Researchers have used nearly half a million fossils to solve a 200-year-old scientific mystery: why the number of different species is greatest near the equator and decreases steadily toward the polar ...
UNDER EMBARGO UNTIL 16:00 GMT / 11:00 ET WEDNESDAY 15 FEBRUARY 2023. Today, species richness peaks in equatorial regions but until now there has been no clear explanation for this. By analysing fossil ...