Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and skeleton-free, explaining why their fossils don’t appear until much later. By ...
Highly detailed 3D scans of dense tropical rain forest plots are enabling precise estimates of tree structure, volume and ...
Seabird guano fertilization boosted maize production in ancient Peru, fueling Chincha wealth, trade networks, and strategic Inca alliances.
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