It has taken 3,000 hours and 34 years to make – but the results are incredible. Artist Scott Weaver has created a huge but incredibly detailed model of San Francisco using 100,000 toothpicks. The work entitled Rolling Through the Bay also doubles as a marble run. Ping pong balls dropped on several ramps at the top of the model follow several “tours” through the city. They pass matchstick replicas of sights such as Alcatraz, Fisherman's Wharf, the Golden Gate Bridge and the city's trademark terraced houses on steep hills.

Yogis and street performers have been simulating levitation with nifty contraptions forever. They appear to be held aloft via nothing but their preternatural mental prowess. But are really enjoying the benefits of basic physics just like the rest of us when we use a chair. However, just because it’s perfectly explainable doesn’t mean it isn’t nifty. I’m especially impressed by this 2-person version and am still trying to work out how exactly the chair they’re using is shaped at the base.

Illuminated Cut Paper Light Boxes by Hari & DeeptiDeepti Nair and Harikrishnan Panicker (known collectively as Hari & Deepti) are an artist couple who create paper cut light boxes. Each diorama is made from layers of cut watercolor paper placed inside a shadow box and is lit from behind with flexible LED light strips. The small visual narratives depicted in each work often play off aspects of light including stars, flames, fireflies, and planets.

Three-year-old tawny owl, found abandoned by its owner, is agoraphobic. Multi-skilled Bertie also likes to help Mr Middleton make a cup of tea – and is fond of sitting on top of the kettle. Mr Middleton said the domesticated owl, which he adopted after it was left abandoned on the ground, hates the outdoors. The domestic owl casts a watchful eye over Mr Middleton's handy work. The creature was found by the organic farmer abandoned on the ground.

A one-month-old wolf cub ululate as zookeeper Luo Yong plays guitar at the Chongqing Yongchuan Safari Park on March 27, 2008 in Chongqing, China. Luo has worked as a keeper in the wolf zone of the park after he graduated university. Luo has developed a special way to communicate with the wolves by trying to imitate the noises they make. He also teaches wolf cubs to ululate and some wolves will howl along when he plays guitar. (Photo by China Photos/Getty Images)