Happy Plant, Sad Plant.

Pet Plant by Junyi Heo tells you what your greenery needs to be happy. The USB-powered pot measures soil conditions, temperature, humidity, and water and calculates those variables based on the needs of the plant.

Happiness can be Inherited.

Happiness can be inherited, new research says..."An important implication is that personality traits of being outgoing, calm and reliable provide a resource, we called it 'affective reserve,' that drives future happiness" Bates said. People with positive inherited personality traits may, in effect, also have a reserve of happiness to draw on in stressful times, he said.

Link: Science Daily