What ancient toilets can teach us about Maya life, and tamales

Ancient toilets and trash pits are like heaven to archaeologists. They might not have the glamor of a gleaming medieval jewel or intricate Roman mosaic, but they brim with clues about the everyday life of bygone civilizations: ...

Losing amphibian diversity also means losing poison diversity

While frog and salamander declines worldwide have made scientists outspoken about the need to preserve amphibian genetic diversity, two University of California, Berkeley, biologists emphasize another important reason for ...

How geology and climate shape biodiversity

Tropical rainforests are the most biodiverse habitats on Earth. They are home to a huge number of different plants, animals, fungi and other organisms. These forests are primarily spread over three continents, concentrated ...

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