Researchers have carried out a survey of the biological diversity in a tropical rainforest. Their efforts have helped them find the key to one of the existential questions to which people have long sought an answer: how many species exist on Earth?
Researchers have carried out a survey of the biological diversity in a tropical rainforest. Their efforts have helped them find the key to one of the existential questions to which people have long sought an answer: how many species exist on Earth?