fascinating

"These cells are fascinating -- what causes them to work correctly and what causes them to go awry."

The most fascinating is the complex compositional analysis of the figures in Leonardo’s second most famous painting, “The Last Supper,” that vast fresco in a communal dining room of a Dominican convent in Milan.

"From a microbial level to complex organisms, using this chemical signaling to communicate allows certain organisms to coordinate activity on huge spatial scales, which is fascinating."

Just step back and take some time to watch them and enjoy their behaviors, and I think you'll find them fascinating.

"Religion is one of the most fascinating and puzzling aspects of ancient civilizations," Tanasi said.