Bioactive iridoids in catnip and silver vine cheer cats up and repel mosquitos

Ever wondering why your beloved cat is obsessed with catnip and silver vine? It’s widely known that cats rub their heads and faces on the plants and roll all over the ground, as if the plants had put a spell on them. The neurophysiology of the well-known phenomenon, however, remains unknown until recently Professor Masao Miyazaki’s team revealed that this behaviour is caused by the bioactive iridoid compounds in catnip and silver vine.

Fun But Flawed Thought Experiment: a Review of Alien Worlds

The new British series Alien Worlds narrated by Sophie Okonedo is a blend of sci-fi and documentary. By applying the laws governing life and basic physics and chemistry on Earth, four imaginary exoplanets (planets orbiting stars outside the solar system) with different aliens living on them are conceived and presented using beautiful computer-generated imagery (CGI) animation.