Did you know the human brain's storage capacity is vast, estimated around 2.5 petabytes (2.5 million gigabytes) ? (This is like storing 300 years of TV shows or the content of the entire internet, according to some estimates.)

Did you know flushing toilets emerged in stages, with Sir John Harington designing the first conceptual flush toilet for Queen Elizabeth I in 1596 ? (The key innovation for modern toilets came with Alexander Cumming's 1775 patent for the crucial S-trap. While Harington's idea was ahead of its time, Cumming's design made the flush toilet practical, and Victorian entrepreneur Thomas Crapper later popularized and refined the mechanism in the late 19th century.)

Did you know the blue whale has the biggest heart of any animal on Earth, weighing around 400 pounds (180 kg) ? (Being roughly the size of a small car, capable of pumping huge volumes of blood (about 60 gallons) with each beat, and its heartbeat can even be heard miles away.)

Did you know the longest commercial movie ever made is widely considered to be Logistics (2012), an experimental Swedish documentary running for a staggering 857 hours (35 days, 17 hours), following a pedometer's lifecycle in reverse ? (For more mainstream/narrative films, titles like Bangladesh's The Innocence (2019) at 21 hours or older epics like Cleopatra (1963) at over 5 hours often come up.)

Did you know the Sistema Orchestras of Venezuela holds the Guinness World Record for the largest orchestra ever convened, with over 12,000 musicians in 2021 ?