KnowledgeToday will be on a holiday break until the first week of January. To tide our readers over, here’s a roundup of this year’s most popular stories.

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Top Ten from 2011

Nassim Taleb on living with Black Swans

Mission Critical: 15 Principles to Help Leaders Meet Their Toughest Challenges

How Sustainable Is Groupon’s Business Model?

Tough Calls: How 40 CEOs Made Their Career-defining Decisions

A Bias against ‘Quirky’? Why Creative People Can Lose Out on Leadership Positions

Should Performance Reviews Be Fired?

Why Middle Managers May Be the Most Important People in Your Company

What’s Behind Microsoft’s $8.5 Billion Takeover of Skype?

Under Armour’s Kevin Plank: Creating ‘the Biggest, Baddest Brand on the Planet’

Gross Domestic Happiness: What Is the Relationship between Money and Well-being?

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New This Week

ICE Raids Have a Chilling Effect on Local Economies

ICE Raids Have a Chilling Effect on Local Economies

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New research from Wharton’s Zeke Hernandez reveals how cities targeted in last year’s Immigration and Customs Enforcement raids suffered long-term economic losses of up to $14 billion.

How Extreme Heat Affects the Economy

How Extreme Heat Affects the Economy

September 22, 20265 min read

Professor R. Jisung Park discusses climate change and the impact of extreme heat on academic success and worker productivity.

AI and Financial Regulation

AI and Financial Regulation

September 21, 20261 min read

Bank of England Deputy Governor Sarah Breeden examines how regulators can promote innovation while ensuring financial stability as AI becomes increasingly autonomous and powerful.