Love, Sex, and Cyanide—The Private Life of a Toxic Butterfly

Heliconian butterflies choose mates with similar wing patterns. Their genes make them do it.
gene edited pigs

You May Soon Be Eating These Gene-Edited Pigs

Scientists have produced pigs that can resist a billion dollar animal virus.
dna illustration

A Primer on e-DNA

eDNA is DNA that an animal sloughs off into its environment through feces, shedding, or lost skin. The technology can detect invasive species.

How to Understand the Resurgence of Eugenics

The extreme right wing has brought the discredited idea of eugenics back into the national conversation. Brave New World and Gattaca offer perspective.
Human chimera with two different colored eyes.

Human Chimeras

Human chimeras are surprisingly common and a wonder of the human reproductive process.

Early Bird? Night Owl? It Might Be in Your Genes.

Researchers in England have identified several genes associated with the timing of peak activity.