genetics

Researchers have long hoped to find out if genes contribute to sexual orientation. A new study of genetic data from thousands of people hints there may be some link, but it's still far from clear.

The waters of genetic meddling are murky; in a new book, technology futurist Jamie Metzl reviews where we've been in the past as a guideline for where we might be headed.

By: Teresa Carey, PBS NewshourA migratory bird can predict its own future, and this crystal ball-like indicator can be found in its genes.In a study…