Such edible electronics have been proposed as a solution to electronic waste. The cake was unveiled at Expo 2025 in Osaka, Japan, on 13 April. Receive a weekly dose of discovery in your inbox!

In his 20th season, captain Alex Ovechkin scored a remarkable 44 goals to climb past Wayne Gretzky (894) for the most goals in NHL history. Ovechkin, who turns 40 in September, missed 16 games ...

To make your rainbow, decorate cupcakes or buns with icing, rainbow laces or edible rainbow rice paper toppers (which are available online). Many of us have loved flapjacks since we were children.