It is difficult to argue that the current, wide popular 8-hour workday in cognitive-demanding jobs is in any way efficient. It is bad both for employees and employers. Quoting the Harvard Business Review,

Many of today’s organizations sabotage flow by setting counter-productive expectations on availability, responsiveness, and meeting attendance …

I have listened to so many talks in so many different fields and topics, that I feel confident enough to provide advice on how to give a proper talk. I have listened to talks ranging from public speaking contests to PhD level seminars. I draw mainly from science talks, but …