Let’s face it, 2021 has been a bit rough. So keeping up with the latest, non-Covid, science news might not have been high on the ol’ priority list. So, in case you missed it, or just because you want a boost, The Spinoff delves into 10 scientific achievements from the year that’s been. From toilet-trained calves to eco-friendly glitter, this is their pick of the year’s weird and wonderful scientific advances.