The widely-held notion that eating carrots gives you excellent vision was not a health discovery but a piece of British propaganda during WWII. The story was created to explain their pilots' success in shooting down German planes, concealing the real reason: their new radar technology.
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The 'burpee' was invented by physiologist Royal Burpee in 1939 as a simple, four-count test to assess physical fitness. Its efficiency led the U.S. military to adopt it for evaluating the fitness of recruits for World War II, revealing its origin as a diagnostic tool.
The famous phrase wasn't organic. It was heavily promoted in a 1961 NBC special starring Groucho Marx, sponsored by DuPont, which had a significant stake in General Motors. This campaign successfully shaped public perception and cemented the car's cultural dominance.
Evolutionary roles shaped vision differently. Men developed narrow, focused 'foveal' vision for hunting, making them miss items in their periphery. Women developed wider 'peripheral' vision for gathering, causing them to see more options and temptations. This explains common frustrations in the supermarket aisle.
The first video games and controllers were not created by entertainment companies, but as 'moonlighting projects' by engineers at institutions working on military applications. This origin story reveals the deep, early connection between gaming and military tech, where downtime creativity in one field directly influenced the other.
Research consistently shows that blue light from digital devices lacks the power to increase the risk of aging eye diseases or contribute to eye strain. The relief some users feel from blue light glasses may be a placebo effect or due to their anti-glare coating, not blue light filtration.
When confronting seemingly false facts in a discussion, arguing with counter-facts is often futile. A better approach is to get curious about the background, context, and assumptions that underpin their belief, as most "facts" are more complex than they appear.
To significantly slow the progression of age-related macular degeneration, a leading cause of blindness, a surprisingly modest diet change is effective. Consuming just two servings of oily fish and 2.7 servings of green leafy vegetables per week reduces the risk of the disease advancing by 41%.
For centuries, military uniforms were brightly colored for identification on smoke-filled battlefields. The invention of smokeless powder and more accurate, faster-reloading rifles in the late 19th century made soldiers highly visible targets, necessitating the switch to drab, low-visibility colors like olive and khaki.
The frustrating techniques common in modern customer service—creating needless complexity and slowing down processes—are nearly identical to the "simple sabotage" tactics promoted by the US government for citizens in Nazi-occupied Europe to disrupt enemy operations.
Coca-Cola leveraged WWII to achieve global expansion at an unprecedented speed and scale. By positioning itself as essential for troop morale, the company gained government support to build bottling plants alongside the military, effectively opening markets that would have taken decades and millions of dollars to penetrate.
