FmX8au0xGlY can-viruses-be-beneficial Can Viruses be Beneficial? Viruses can be fatal, but some viruses can in fact be life-sustaining. The SARS-CoV-2 virus has killed large numbers of people during the current pandemic. But humans wouldn’t exist without viruses. How can they benefit us? h-QBbH4So-A the-hidden-dangers-and-surprising-benefits-of-vitamin-pills Hidden Dangers and Surprising Benefits of Vitamin Pills There is a lot of debate about supplements. Some health professionals claim they are essential to make up for the fact that most of us aren’t eating enough fruit and veg. Others say that supplement pills do nothing and you’re wasting your money. So what’s the truth? FmX8au0xGlY can-viruses-be-beneficial Can Viruses be Beneficial? Viruses can be fatal, but some viruses can in fact be life-sustaining. The SARS-CoV-2 virus has killed large numbers of people during the current pandemic. But humans wouldn’t exist without viruses. How can they benefit us? k9QAyP3bYmc immune-system-innate-and-adaptive-immunity Immune System | Innate and Adaptive Immunity The immune system is the basic defence system of the body that protects us from harmful pathogens and diseases. bjdqw9rXXd8 nat-geo-science-aids-101 Nat Geo Science | AIDS 101 About 37 million people around the world are currently living with AIDS. Learn how the human immunodeficiency virus (HIV) causes AIDS, where HIV may have originated, and how AIDS has become one of the worst pandemics in modern history. ANyQjlYadsw nat-geo-science-cancer-101 Nat Geo Science | Cancer 101 What is cancer, and how does it start? Find out how genetics play a role, which types of cancer are the most prevalent, and what is being done to fight this deadly disease. MYnMXEcHI7U nat-geo-scienceplague-101 Nat Geo Science | Plague 101 What is plague? How many people died from the Black Death and the other plague pandemics? Learn about the bacterium behind the plague disease, how factors like trade and urbanization caused it to spread to every continent except Antarctica, and how three 8q68qHiKKYw understanding-viruses-2017 Understanding Viruses (2017) Let's not forget the man in this documentary, Jonas Salk who developed a vaccine for Polio and gave it away for free. wUgEhfo_qxU viruses-molecular-hijackers Viruses | Molecular Hijackers Most of us know about viruses, and that they spread disease. But what is a virus exactly? Is it alive? How does it infect a host? There's a lot to discuss here! Take a look. 6DxcrObJJRg cd4-t-cell-differentiation CD4 T Cell Differentiation This video shows the differentiation of CD4 positive T cell, and the function of the subtypes.