Quantity (like size) matters when we are making decisions about all aspects of our life. If something costs the same but we have the choice to have more or less of it, have you ever deliberately chosen less? Even when on a diet? There’s a very good reason for this. It is adaptive to go […]

There are many stories of dolphins saving people from various perilous situations including drowning and even shark attack. Until now, these events have been generally anecdotal and have been difficult to study systematically. However, the conspecific helping behaviour which may underlie these events is very interesting and has been scientifically documented on a few occassions. So-called […]

If you see someone point to something over your head you generally look upwards. This is because humans understand that this type of referential communication is used to draw our attention to an object or place that the informer is attending to (we are extremely susceptible to this – the direction of human attention can even […]