Seeing the light — with a little help from algae optogenetics

Katherine Bourzac writes in Technology Review that if all goes according to plan, sometime next month a surgeon in Texas will use a needle to inject viruses laden with DNA from light-sensitive algae into the eye of a legally blind person in a trial that could let the patient see again, if only in blurry black-and-white…

Algae 101 Part 29

Algae have 3.7 billion years of evolutionary experience with light. Since algae use light for energy, early algae evolved a gene that helped algae recognize the path toward light. Algae’s ability to recognize light offers several lines of fascinating research…