With April fool’s day just passed, Treasury Insights highlights some of the most curious attempts to fool the world.

There is only one day of the year where fake news is acceptable: 1st April. Here is a roundup of some of the best.

Whopper toothpaste

Burger King teased fans of its most famous burger, telling them they could soon enjoy its taste every morning and every night when brushing their teeth. The fool even came with its own advert claiming that people would do anything to keep the taste of a Whopper in their mouth.

Alexa for pets

Amazon’s personal assistant Alexa has been a huge hit amongst humans, and Amazon has said that it has been working on ways for it to help pets. It’s spin-off Petlexa talks to your pets, enabling them to order sushi, count steps and even play fetch. It is not real, but it would be great if it was.

Virgin’s Dreambird

Richard Branson is a maverick and his new idea is to build planes with flapping wings. Influenced by his obsession with birds, this revolutionary plane will use the movement of wings to create a faster, cleaner and more sustainable airline.

Penguin studies

Natures number one flightless bird, the penguin is now available as a degree topic at the University of Dundee, in Scotland. As part of the course, each student will receive one adult penguin to raise over the year and students are also able to study: “Penguinese – the language of penguins.”