The understanding of what it takes to build complex systems sheds light on the causal hurdles that would be necessary for evolutionary processes to overcome.
Soil biodiversity is still a black box. Some scientists are beginning to explore the global underground that services the health of plants and animals.
Personally, I am quite sympathetic to the dissenting view of my paleontologist colleague Simon Conway Morris.
In a monograph in 2007, I suggested that these larvae may not be genuine dragonflies of the suborder Anisoptera.
Perhaps this organism had four legs. Perhaps it had flippers. Perhaps it was closely related to whales. Perhaps it has nothing to do with whales.