The Three Gorges Dam in China is so massive it slowed Earth's rotation, making each day about 0.06 microseconds longer — shifting trillions of kilograms of water changed Earth's mass distribution and caused it to spin slightly slower.

The United Kingdom produces more than 750 different regional cheeses—nearly twice as many as France, which has around 400.

People who stay slim while eating freely often have a slow metabolism, not a fast one. Less muscle mass lowers their basal metabolic rate (BMR), meaning they burn fewer calories at rest than those with more muscle

The phrase 'pull out all the stops' comes from pipe organs, usually in churches, where pulling out stops increases airflow and volume. It now means making a full effort.

In the 1800s, an estimated 90% of ketchups contained harmful ingredients, some even deadly. Heinz used clear bottles to prove his was pure, made only from the finest ingredients, and cornered the market.

A study by the University of Leicester found that cows produce 3% more milk when they listen to classical music throughout the day.

Siblings can get different DNA ancestry results (for example, 30% Irish for one and 50% for another), due to genetic recombination, which also explains why they may look so different.