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TIL Caffeine doesn’t actually give you energy, it blocks the receptors in your brain that make you feel tired.

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This is why biology is important.

Worm Saliva Breaks Down Tough Plastic

Polyethylene, a durable plastic, is widely considered one of the worst forms of plastic pollution, but chemicals found the saliva of the wax worm may hold the key to breaking it down. One hours worth of exposure to the saliva breaks down the plastic by the equivalent of years worth of weathering.

There are two enzymes responsible for this degradation, and it’s believed that they are the first effective agents found in nature.

Polyethylene comprises 30% of production of a wide range of materials such as pipes, flooring, and bottles. Its hardiness comes from its resistance to oxygen. In order to get oxygen into the plastic, it has to be treated with UV light, but, the wax worms saliva seems to have a similar, if not improved, effect.

Wax worms are well known for destroying honey bee hives, and researchers say that its this ability to destroy hives that may hold the key to their ability to degrade plastics.

The study, published in the journal, Nature, is led by a team of Spanish researchers, who now want to research further into the degradation of polyethylene by wax worm saliva, and hope that one day, people may be able to have a home kit that they can use to breakdown the polyethylene at home.

Source: BBC News, written by Matt Magrath , and, Sanluis-Verdes, A., et al., (2022). Wax worm saliva and the enzymes therein are the key to polyethylene degradation by Galleria mellonella. Nature Communications, 13(1). Available at: https://www.nature.com/articles/s41467-022-33127-w (Accessed: 5th October 2022)

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So true. Part of my reasoning for becoming a doctor is to fight the problems in the Healthcare industry and to improve the quality of Healthcare in rural areas. I would like to add that these things should be free and of a high standard everywhere.

Tampons and pads should be free. Condoms should be free. Birth control should be free. Pregnancy tests should be free. Abortions should be free. HIV/STI testing should always be free. HIV/STI medication and treatments should be free. Honestly, all medication and surgery should be free. Internet should be free. Water should be free. Food should be free. Shelter should be free. Education should be free. And if you disagree or think this is too radical, then you and I can't be friends and I hope you die.

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