On this day: April 25

Published On: Apr 23 2013 05:10:32 PM CDT   Updated On: Apr 25 2016 01:00:00 AM CDT

The guillotine is first used, American and Soviet troops cut Nazi Germany in two, a U.S. Navy submarine completes the first submerged circumnavigation of the globe, and the Hubble Space Telescope is launched, all on this day.

OTD April 25 - DNA structure
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Marjorie McCarty/Wikimedia Commons

1953: Molecular biologists James Watson (center) and Francis Crick (right) publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA. They, along with Maurice Wilkins, would be awarded the 1962 Nobel Prize in Physiology or Medicine for their discoveries.

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