Understanding how nickel-based catalysts interact with CO2 at the atomic level is crucial for their rational design aiming to improve their efficiency and selectivity.

"Their selectivity in targeting cancer cells, combined with reduced systemic toxicity, points to a future where treatments are more effective and far less harmful," Bhargava said.

However, the membrane's large holes would let many particles through, making it very low in selectivity.

“What the data show is that they have a very high selectivity for radioactive elements” over essential metals like zinc and calcium.

They focused on the concept of food fussiness - which researchers describe as the tendency to eat a small range of foods, due to selectivity about textures or tastes, or a reluctance to try new foods.