Health
Meet the first man that have the heart of a pig through transplant
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Dyslexia
A learning disorder that affects speaking, writing, and spelling proficiency.
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Biology is the study of living things and their interaction with their environment. The world is composed of living things...
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Cậu bé được sinh ra khỏe mạnh và nuôi hoàn toàn bằng sữa mẹ trong 6 tháng đầu đời.
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