Carrie Arnold
Contributing Writer
Latest From Author
To address the deadly organ shortage, some are proposing compensating living kidney donors, creating an ethical dilemma.
How the microbes that make us sick also helped us evolve.
As urban pigeons drive their wild relatives extinct, scientists are grappling with the definition of what a species is — and what it m...
Outdoor cats are considered one of the worst invasive species by ecologists. And humans are bitterly torn over how to respond.
Insects appear to be more intelligent and emotionally complex than we give them credit for. Perhaps, new research suggests, they are eve...
