71%, hot water bottles. a wearable blanket, 18%. electric blanket, 15%. heated foot warmers and heated neck warmers also proving very popular at the moment. is a warm, charlie? can you town me? someone in the gallery says they wear one. in the gallery? i don t know. you don t know. the gallery being. you know what they re gallery is. the room where they re gallery is. the room where the important people are. do people wear a onesie in there? i didn t know that. we ve heard of wind, solar and tidal energy but what about dance energy? that s what a nightclub in glasgow is trying to harness, in a bid to be more eco friendly and save on bills. the club is trialling a new system that turns body heat into air conditioning, and it s been described as a world first. our technology reporter shona mccallum has been finding out more.