Japan is a country full of art. Much of this is housed in museums and galleries, but others are right under our feet. We speak, of Japan’s peculiar obsession with manhole covers. Almost anywhere in the country you can find manhole covers with spectacular grounds, each more beautiful and complex than the previous. In recent years, S. Morita photographer has traveled around Japan and leave us this great gathering on the beautiful and artistic Japanese manhole covers.

Astronaut Chris Hadfield Explains How to Wash your Hands in Space.

Look at the image for long enough and you can make the train change direction simply by thinking about it. Freaky.

A model poses backstage during the Speedo show as part of Mercedes Benz Fashion Festival Sydney 2011 at Sydney Town Hall on August 24, 2011 in Sydney, Australia. (Photo by Stefan Gosatti/Getty Images)

“Life-size humanoid robot BERTI (Bristol EluMotion Robotic Torso number 1 or RT-1) is a self contained, fully automated Robotic Torso, designed and built by Elumotion to provide a robotic platform based on human anatomy. RT-1 is a highly articulated manipulating platform and includes novel dexterous hands that allow emulation of human gesturing”. – Elumotion.com

Photo: BERTI the robot interacts with a Sony AIBO robot dog at The Science Museum's Antenna Gallery on February 17, 2009 in London. (Photo by Peter Macdiarmid/Getty Images)

What happens in the wild is sometimes hard to imagine. Sometimes other animals can be others prey. In this case, here is a python and a crocodile who come across each other in Australia. This is a bit graphic, so beware.

Some foods have significantly more Calories than others but what does the difference actually look like. Each of the photographs below represents 200 Calories of the particular type of food; the images are sorted from low to high calorie density. When you consider that an entire plate of broccoli contains the same number of Calories as a small spoonful of peanut butter, you might think twice the next time you decide what to eat. According to the U.S. Department of Agriculture, the average adult needs to consume about 2000 - 2500 Calories to maintain their weight. In other words, you have a fixed amount of Calories to "spend" each day; based on the following pictures, which would you eat?