Weather radar shows 30 metric tons of grasshoppers swarmed Las Vegas one night
The most intensely lit U.S. city shows the impact of artificial light on insects on a megascale

Researchers have now unveiled (big!) numbers for the grasshoppers, mesmerized by Las Vegas’ intense artificial lighting, that crowded into the city on July nights in 2019 (seen piling up on a sidewalk here the night before the peak invasion).
BRIDGET BENNETT/AFP via Getty Images