Michael J. Armstrong

It’s exam time. Research suggests that while some students will be pleasantly surprised by how they did on exams, a larger group will falsely believe they did much better on their exams than they did. (Shutterstock)

Student grades: How confidence can hinder success

Research shows that many students are excessively optimistic about course grades. Those with a stronger sense of personal control are also less likely to receive the grades they expect.
Marijuana brand name stickers are visible as customers line up at the counter in CannaDaddy’s Wellness Center marijuana dispensary in Oregon in April. (AP Photo/Don Ryan)

‘Where’s the weed?’ Branding is essential for cannabis companies

There’s a strong case for governments to allow cannabis producers to brand their products via packaging and advertising like any other product. It could boost quality and consumer satisfaction.
Shoppers browse at a Sears Canada store in Toronto in October after the company began liquidation sales. Its retirement funds are short $308 million, forcing a 19 per cent cut to employee pensions. (THE CANADIAN PRESS/Nathan Denette)

Sears Canada tarnishes the gold standard of pensions

Sears Canada’s bankruptcy should alert employees and regulators alike to rethink defined-benefit pensions.
Staff at the Korea Internet and Security Agency in Seoul, South Korea monitor possible ransomware cyberattacks in May 2017. (Yun Dong-jin/Yonhap via AP)

Ransomware like Bad Rabbit is big business

Like legitimate e-commerce, ransomware e-crime is increasing in scale, value and sophistication.
The Charge of the Light Brigade happened 163 years ago, but historians still debate who was to blame for the military fiasco. William Simpson

Could the Charge of the Light Brigade have worked?

The Charge of the Light Brigade was brave but fruitless. Could it have worked if the feuding British leaders had interpreted their orders differently?
The guided-missile destroyer USS Mason in the Suez Canal on Oct. 20, 2016, days after missiles were aimed at it from rebel-held areas of Yemen. (U.S. Navy handout)

Missile interception from Yemen to the South China Sea

Ship attacks near Yemen last October have implications for missile defence from the Atlantic to the Pacific, from Romania to Japan.
A rocket is launched from Israel’s Iron Dome, an anti-missile system, in order to intercept a rocket fired by Palestinian militants from the Gaza Strip in 2011. (AP Photo/Dan Balilty, File)

North Korea missile crisis echoes Israel’s anti‑rocket strategy

There is much debate over how to react to North Korean missile threats. What can we learn from Israel’s responses to actual rocket attacks?
United States Sen. Elizabeth Warren questions Wells Fargo CEO John Stumpf, foreground, during congressional hearings into allegations that bank employees opened millions of unauthorized accounts to meet aggressive sales targets. (AP Photo/Susan Walsh)

Memo to Gordon Gekko: Ethics, not greed, boost profits

Unethical corporate behaviour isn’t just embarrassing from a PR standpoint, it can also be unprofitable for firms and their investors.

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