Door knobs made of brass can disinfect themselves in about 8 hours. This is because brass contains copper, which has natural antimicrobial properties that kill bacteria and other microbes.

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Marriage significantly raises the risk of being overweight, according to recent study. Men face a 62% higher risk, while for women, it's 39%, compared to the unmarried.

Approximately 25% of the population are 'supertasters,' experiencing heightened taste sensations due to a higher density of taste buds. Conversely, about 25-30% are 'non-tasters,' with fewer taste buds, leading to a diminished sense of taste.

In 1991, researchers at the University of Cambridge invented the first webcam to check if their office coffee pot was empty - saving them unnecessary trips to the kitchen.

Horseshoe crabs have bright blue blood, which is one of the most valuable liquids on Earth - used in medical testing, it can sell for around $15,000 per litre.

A recent U.S. study found that IQ scores declined in three of four cognitive domains between 2006 and 2018, with researchers suggesting smartphones are to blame.

Evel Knievel holds the world record for the most broken bones at 433 - meaning, on average, he broke every bone in his body more than twice.

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