Driven by conditions including deforestation and other incursions by humans on bat habitats, these Brazilian jump zones have grown by more than 40% in extent over the past two decades – over 2.5 times faster than similarly risky areas worldwide, Reuters found. Almost three-quarters of Brazil's jump zones lie within the Amazon, a tangle of biodiversity that holds more secrets than scientists can ever hope to discover, especially with swaths of the rainforest quickly succumbing to development.