While the human brain makes up only 2% of total body weight, it consumes 20% of the oxygen we breathe and 20% of the energy we use.

The French-language World Scrabble Champion doesn’t speak French. New Zealand native Nigel Richards memorized the entire French Scrabble dictionary, which has 386,000 words, in nine weeks to earn his title.

The man with the world’s deepest voice can produce sounds that humans can’t hear. Tim Storms can’t even hear the note himself, as it is eight octaves below the lowest G on a piano—but elephants can.

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.

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.