- ... that in the 12th century, Bintan Island (pictured) in the Strait of Malacca was known as the "Pirate Island" since the Malay pirates used to loot trading ships sailing in these waters?
- ... that Javanese people have no family name, and many have only one?
- ... that the Sumatran striped rabbit is only found in forest in the Barisan Mountains in Western Sumatra, and specimens are often found decades apart?