John Rennie

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Government-shaking protests in Bangladesh, Iran, Nepal and Sri Lanka – to name a few – have all in recent years been linke... See more

Government-shaking protests in Bangladesh , Iran , Nepal and Sri Lanka – to name a few – have all in recent years been linked to what demographers call a “ youth bulge .” Meanwhile, the economic slowdown in China and ballooning public debt in the United S... See more

From youth bulges to graying societies: The demographic dynamics that are upending the world - Written by John Rennie Short, Professor Emeritus of Public Policy, University of Maryland, Baltimore County Government-shaking protests in Bangladesh](#readabil... See more

The two questions are actually interwined. In the following, I'll try to answer them and show how they are related. Convexity properties (here, I'am using the generic word to indicate both upward and downward convexity, aka concavity and convexity), are b... See more

Possibly Ten Sigmas by Paul Melko. It was published in 2004 though I didn't read it until ten years later in The Best of Talebones . The unnamed protagonist has the ability to see parallel universes and the story starts with him seeing the victim: At firs... See more