Author: luapo
The World’s Population in One City
What if the entire world’s population lived in one giant mega city? That’s probably a really bad idea, but it’s an interesting thought to give us an idea of just how many people are out there. These illustrations show how big this city of the world would be based on the population density of different real cities. If everyone in the world lived in one giant city with the population density of New York, everyone could fit in a land mass the size of Texas.
The Joke They Don’t Tell To Dumb People
The Family Tree – Most recent common ancestor
Tracing one person’s lineage back in time forms a binary tree of parents, grandparents, great-grandparents and so on. However, the number of individuals in such an ancestor tree grows exponentially and will eventually become impossibly high. For example, an individual human alive today would, over 30 generations, going back to about the High Middle Ages, have 230 or about 1.07 billion ancestors, more than the total world population at the time.
How Shopping Malls Make You Buy Stuff – Video
Marc Fennell investigates how shopping malls are designed to make you buy things…
The many roles of Harrison Ford
To celebrate Harrison Ford’s 40th credited big-screen appearance in Cowboys & Aliens this weekend, Steve Murray takes a look back at everyone’s favourite acting chameleon.






