No one ever said New York's Hudson River was clean. But instead of killing off the Atlantic tomcod that live in the river, the contaminants have forced the fish to evolve to adapt to their environment. A team of researchers recently published a study in Science that shows the Hudson River fish have a gene variant in AHR2, a six-base deletion that is absent in other tomcod populations. This suggests that AHR2 is the tomcod's "basis of resistance" to PCBs.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Five researchers are to share this year's Albany Medical Center Prize for their work on the CRISPR/Cas9 gene-editing tool, the AP reports.

Stat News reports on how white supremacists cope with surprising genetic ancestry testing results.

In Genome Research this week: sex-biased gene expression evolution in malaria mosquitos, method to find ancient selective sweeps, and more.

Iceland has nearly eliminated Down syndrome from its population, CBS News reports.