From imaging black holes, rovers on Mars, chimeric embryos, and coming up with solutions to plastic pollution, 2021 has been an important year for science.
Chemistry: Breaking Down The Plastic Pollution Problem
"The polymer we've made can easily be turned back into monomers. And then you can purify it by removing other plastics, pigments, and labels. All because only the polymer turns back into a monomer," Coates told"And then you can make polymer again and every time you make it, you know it's kind of like an aluminum can. You might recycle the aluminum every time you make an aluminum can, but each can as good as the one you made the time before.
Xu added that the work showed there is a way to produce compostable plastics compatible with current recycling infrastructure, and he hopes it will encourage people not to lose hope when it comes to tackling plastics. "You could collect these in your garage and once you get a certain amount, you could ship them back to be turned back into monomer, and make brand new envelopes that are literally as good as ever every time they make it.Biology and Medicine: Human-Monkey Hybrid Embryo Sparks Ethical Questions
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