One theory is the it’s because it takes a while to absorb the knowledge of your predecessors.
Scientists spend ages 5 through 18 in school, and then ages 18 through 30ish getting their academic degrees. Then a few years of learning on the job, and presto! . Meanwhile, scientific breakthroughs tend to be less common in old age because we invest less in learning as we get older, and our skills gradually become less relevant.
Personally, I’m not sure I buy the explanation of the drop-off.
And the age continued to get older over the 20th century.
Josh Worth created a horizontal map of the solar system using a scale of 1 pixel = diameter of moon. There’s a lot of nothing out there (but Josh does add some amusing commentary to help pass the time scrolling between planets).
How much more pizza do you get for your money depending on the size? (based on 74,476 prices from 3,678 pizza places around the country).
Type in any name and see how popular it was across the USA over the past 60 years. (blog post explaining methodology)
In theory, the sun should hit it’s apogee (highest point overhead) at noon. But that doesn’t happen in much of the world, for a variety of reasons. The below map by Stefano Maggiolo details the discrepancies.
Based on an analysis of 4,191,533 flights and 1.3 billion air fares, “in 2013 the best time to buy a domestic airline ticket was 54 days in advance, or 7 1/2 weeks on average.” Check out the related article for other insights.
Map of all kinds of energy related things: coal fields, mines, oil/gas pipelines/storage, electrical transmission lines, wind turbine potential, offshore windspeeds, solar potential, etc. You get the idea.
It’s not the smoothest operating interactive map I’ve ever seen (lots of delays in loading, etc) – but it works if you’re patient.
Thanks to Mr. Brown for sending me the link.
Artist Loren Munk has created many beautiful interpretations of art history, genres, and incubators.
My personal favorite:
Facebook analyzed peoples online interactions zeroed around relationship status events. It turns out (not surprisingly I suppose) that relationship changes track closely with online interactions.
and what kind of posts they are interacting with:
Here’s what a breakup looks like:
An addictive collection of beautiful charts, graphs, maps, and interactive data visualization toys -- on topics from around the world.