Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

New videos reveal the surprising dynamics of bat-rat relationships—and suggest how human activity is fueling these interspecies conflicts. A rat attacks a bat as it flies by in this still image from a ...

Archaeologists hunting for a sacred well beneath the ancient Maya city of Chichén Itzá on Mexico’s Yucatán Peninsula have accidentally discovered a trove of more than 150 ritual objects—untouched for ...

The field notes include capture station diagrams for the BCI bat project, for C. O. Handley, 1976 - 1979. These are sketches / maps of nets used for collecting. These are headed with notes on location ...