🔬 The DNA double helix is published (1953)
Where: University of Cambridge
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📅 On This Day: April 25
April 25, 1953: The DNA double helix is published. On this day in 1953, Watson and Crick of Cambridge University published a paper in the journal Nature saying DNA is shaped like a twisted ladder, a double helix. The same issue included key X-ray work by Rosalind Franklin's team. DNA is the instruction book for every living thing.
✨ More events on this day
- 1954 💡 Bell Labs showed off the first practical solar cell, a device that turns sunlight into electricity, the ancestor of today's solar panels.
- 1959 🏛️ The Saint Lawrence Seaway opened, a chain of canals and locks that lets big ships sail from the Atlantic Ocean all the way to the Great Lakes.
- 1961 💡 Robert Noyce received a patent for the integrated circuit, a tiny chip packed with electronic parts that now powers phones and computers.
🧠 Question of the day
What shape is DNA?
- A round ball
- A square box
- A twisted ladder
Show the answer
Answer: A twisted ladder
🎂 Landmarks that opened on April 25
🐾 World day: World Penguin Day
Scientists at Antarctica's McMurdo Station noticed Adélie penguins start their yearly trip north around this date.
Questions
What happened on April 25?
April 25, 1953: The DNA double helix is published. It happened in University of Cambridge.
Which landmarks opened on April 25?
Roppongi Hills Mori Tower (opened 2003).
In the game, the "Today on Earth" panel shows this story on its day, with a question to answer and a place to fly to.
More days in April
Source: en.wikipedia.org/wiki/Molecular_Structure_of_Nucleic_Acids