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