Your Brain on Coffee

Could you ever imagine something so small, it isn't able to be seen with the human eye, changing the course of an international conflict? Listen to Omar Farha speak on how such a small agent could shape the future of violence as we know it today.

Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution.

Watch our step-by-step IHC video protocols to learn how to prepare and stain tissue slides starting from either frozen or paraffin-embedded samples.