In recognition of Mental Illness Awareness Week (October 7–13) and World Mental Health Day (October 10), a discussion on the meanings of the three ubiquitous letters.

Professor Joshua New and Professor Homa Zarghamee analyze the ways in which we make choices and how these choices impact our individual and collective good.

Professor Alexandra Horowitz and Professor John Glendinning dissect the differing ways in which humans and animals experience the world through smell and taste.