Scientists scooped sand from a riverbed in Thailand and found two nymphs of rare mayfly species not seen in 22 years, a study said. Photo from Kwanboon and Boonsoong (2025) Knee-deep in a river of ...

1 School of the Environment, Yale University, New Haven, CT, United States 2 Peabody Museum, Yale University, New Haven, CT, United States Amphibians exhibit diverse responses to environmental ...