...Earth’s mag ne tic field is con cen tra ted.  Rob: This ex plain s how we find north, but E than points out that the de ci sion to call north ‘up’ and south ‘down’ is  ar bitrary – de ci ded by ran dom chance, not based on a ny par ti cular rea son. Sam: When we look at a world map,...

...are much less li kely to laugh and smile. One of the ways we can o vercome this is by cre at ing in ten tional mo ments in our mee tings for the wa ter cooler ef fec t. Sam: E rica points out that laughing of ten hap pens in u nison – to ge ther and at the same time. Neil: Yes, if so meone starts...