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With biomass plants, the government wanted to ensure that the climate targets would be met. The government set aside 10 billion euros for the construction of 628 biomass plants. Objections to the biomass plants soon arose: they would not be as CO2-neutral as was assumed and there would be more useful ways to use the biomass.

In 1905, the popsicle was invented by eleven-year-old Frank Epperson. He made a drink with water and some soda powder that he stirred through with a stick. Because his mother told him to go to sleep, he left the drink. When he woke up the next morning, it had frozen and the drink with the stick in it was frozen too. This was the first popsicle.

Columbus was looking for a faster sailing route to the Dutch East Indies. He planned to sail there via the West. With the financial support of the Spanish Queen Isabella, his ships left for the West, but instead of finding a new route to the Dutch East Indies there, he found the undiscovered continent of America.

Russian researchers wanted to study the flight routes of eagles, with the aim of increasing the chances of survival of this endangered species. One of the eagles decided to take a tourist route across the steppe - one of the few places in the world without GPS coverage - and reappeared in Iran: a country with a high SMS rate. This left the researchers with no money to follow the other eagles. Fortunately, donors and the provider came to their rescue.

The number of people aged 80 and over is growing, but the government is increasingly withdrawing from their caregiving role. The pressure on informal carers is therefore increasing. Using a digital platform, Dinst wanted to offer good service at home at a competitive price. The customers were satisfied with Dinst, but customer loyalty was difficult to achieve. The elderly also felt that they should not have to pay for help.

Due to an accident at BP, a lot of oil unintentionally ended up in the sea near the Gulf of Mexico. In order to ensure that this would disappear more quickly, chemicals were thrown into the water that were supposed to make the oil droplets smaller and speed up the decomposition process. Unfortunately, the chemicals had the opposite effect: the chemicals caused microorganisms to flourish and drive out the microorganisms that were breaking down the oil.