Pollution has always been one of Batavia's persistent issues. Meanwhile, Java's other cities are also equally polluted. These never-ending issues of water and air pollution have been causing many diseases to emerge.

The desire to develop science as an instrument of colonial power resulted in two scientific expeditions at the Dutch East Indies Sea.

In between his administrative duties, Raffles paved his way to be a renown naturalist.

Misconceptions about epilepsy have long negatively stigmatized the sufferers. Epilepsy is even called a curse disease that makes the sufferers resemble a wild boar.

The New Order government distributed condoms through the post and herbal medicine sellers. The male contraceptive campaign eventually failed, partly because condoms were considered to reduce pleasure.

Despite his contribution to Australia, he was expelled from the country. He then went to New Caledonia and served France.

Javanese in Suriname believed this man was sent by God from Java to free them from oppression. The man, Anton De Kom, was galvanized by the Indonesian independence movement.

Irawan Soejono was fighting alongside his comrades against Nazi Germany in the Netherlands. He was shot dead while smuggling a stencil printing machine. His name was later immortalized as a street name in Amsterdam.

Raden Adipati Ario Soejono became a minister in the cabinet of Queen Wilhelmina, while his children fought against the Nazi occupation in the Netherlands. All voiced for the independence of Indonesia.

The national hero was executed in the middle of a muddy night. He firmly held his faith in freedom up until his last breath.