> ## Content Index
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# Further Reading
- URL: https://www.ivarhagendoorn.com/blog/2015/09/30/further-reading-22/
- Published: 2015-09-30T19:11:00.000Z
- Updated: 2019-08-26T19:20:59.000Z
- Description: Social networks can create the illusion that something is common when it is actually rare. Yale University will receive 136.20 euros in interest on a perpetual bond issued in 1648 from a Dutch water authority. The Mouse of Wall Street. Duration of urination. Oliver Sacks has passed away. And more.
- Author: Ivar Hagendoorn
- Tags: Blog, Further Reading

Social networks can create [the illusion that something is common when it is actually rare.](http://t.co/0AtDFnHWvc?ref=ivarhagendoorn.com)

[The rapidly vanishing Mer de Glace.](http://t.co/YbLHGANrOl?ref=ivarhagendoorn.com) I visited the Mer de Glace this summer and was shocked to see how far it has retreated. I wish I'd visited 20 years ago.

Yale University will receive [136.20 euros in interest](http://t.co/seMDt5Nwjw?ref=ivarhagendoorn.com) on a perpetual bond issued in 1648 from a Dutch water authority.

This scientific study caught my eye: [Duration of urination does not change with body size.](http://t.co/BXED4L5okA?ref=ivarhagendoorn.com)

[The Mouse of Wall Street](http://t.co/x0Si0YKg88?ref=ivarhagendoorn.com). Cover for *The New Yorker* by Joost Swarte.

[Oliver Sacks has passed away.](http://t.co/XfjWivZFHI?ref=ivarhagendoorn.com) Oliver Sacks wrote [a beautiful and moving essay](http://t.co/XRW724GVrX?ref=ivarhagendoorn.com) when he first learned that he had terminal cancer. It was after reading [an essay by Oliver Sacks](http://t.co/WF5vDwmbIq?ref=ivarhagendoorn.com) that I realized that the strange visual sensations I've had since childhood are in fact a form of or a symptom of migraine.