A worker stands by a historic building as it is moved down the block on wheels on New York Avenue to make way for a new construction July 28, 2014 in Washington, DC. A team from Expert House Movers have been moving the historic building near 4th Street which is one of the largest structures in the DC area to be moved. (Photo by Brendan Smialowski/AFP Photo)

Brian Skerry can be called many things – explorer, journalist, conservation advocate – but he is first and foremost a photographer. His journeys to capture amazing underwater photographs have taken him across the world’s oceans. Photo: This Bahamian oceanic whitetip shark, known for the distinctive coloring on its white-tipped, rounded extremities, is part of a globally threatened species due to overfishing demands, primarily for its fins. (Photo by Brian Skerry)

A truffle is seen on a table in Alba, north-western Italy November 11, 2013. Located in the heart of the Langhe – the hilly southern area of Italy's northwestern Piedmont region – Alba is the country's capital of white truffles, a variety of the prized fungus which grows underground. Truffles are found two to eight inches (5-20cm) below the ground near the roots of trees. They give off an odour which lasts for a limited period of time and can be detected with the assistance of well-trained dogs and experienced hunters. Output of white truffles, which are not cultivated and only grow naturally in forests, has fallen in Italy over the past few years, largely because climate change has brought a damaging mix of drought and torrential rains. (Photo by Stefano Rellandini/Reuters)

“The most serious health problem in the U.S. today is obesity.” Sounds familiar, doesn’t it? But that pronouncement about obesity’s primacy in the hierarchy of national health problems is not new. Rather, it’s the opening line to a remarkable article published 60 years ago in LIFE magazine. This photographs made by Martha Holmes to illustrate that March 1954 article, titled “The Plague of Overweight.” Photo: Dorothy Bradley (left), photographed for LIFE magazine article on obesity, 1949. (Photo by Martha Holmes/Time & Life Pictures)

“Custer” the smallest car in the US. (Photo by Topical Press Agency/Getty Images). 1920

In this artist's impression supplied by the ESO (European Southern Observatory) on April 25, 2007, the planetary system around the red dwarf, Gliese 581, is pictured showing what astronomers believe is the most earth like planet found outside our solar system to date. Using the ESO 3.6-m telescope in Chile, astronomers have uncovered the planet which could have water running on its surface. The planet orbits the faint star Gliese 581, which is 20.5 light-years away in the constellation Libra. (Photo by ESO via Getty Images)

A woman dancing on the Sphinx. A pyramid can be seen in the background. (Photo by Fox Photos/Getty Images). 1928