A quick scroll through TikTok reveals thousands of people taking on the 'chia seeds challenge' blissfully unaware that their lives could be at risk. The trend involves drinking a cup of water containing two tablespoons of chia seeds for anything from seven to 40 consecutive days - with devotees claiming it's helped them shed substantial amounts of weight with minimal effort.
Dr Dean Jackson highlights the intriguing nature of perception with his optical illusion, stating that observers can reframe their view of an image based on additional context. He shows how keen-eyed viewers can spot a hidden goat in a kookaburra image, where markings create the illusion of a second animal, leading to varied interpretations among viewers.