optimistic
dr. dolittle | September 30, 2016 By Uroš Novina from Semič, Slovenia - Bee close up, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=50974889
A new study was designed to test whether bees can experience some kind of primordial "emotions". In the study bees were trained to associate a tunnel marked with a blue flower with a sugar water treat at its end. In contrast, a green flower meant no reward at the end of the tunnel. However, when bees were exposed to flowers with both hues, they either chose not to enter the tunnel or took a long time to choose to enter. But, when half of the bees were given a sugar water…