This tiny magnetic blob could change how we treat brain tumors forever...

Scientists have developed a new way to provide treatment for brain tumours. Currently we use chemotherapy, but that's like throwing a grenade at a mosquito, you end up damaging a lot more than you mean to. This magnetic blob will help change that. References: Microrobots: https://www.science.org/stoken/author-tokens/ST-3054/full https://www.nature.com/articles/d41586-025-03754-6 https://www.washingtonpost.com/science/2025/11/19/robot-drugs-side-effects-magnets/ Catheters: https://www.science.org/doi/full/10.1126/scirobotics.adh0298 Telesurgery: https://www.science.org/doi/10.1126/scirobotics.a