What is the flu? | Infectious diseases | Health & Medicine | Khan Academy

– [Voiceover] So if you’re watching this video, I’m pretty sure that at some point in your life, or in the lives of someone you know, that you’ve had the flu. Almost everybody is pretty familiar with how awful it feels to get sick with the flu. And when people talk about the flu, they kinda talk about […]

5 Formas de saber se o seu PC tem Vírus

Olá. bem-vindo ao Dell suporte Brasil você acha que o seu computador está infectado por algum vírus? Existem algumas formas de descobrir isto. Neste vídeo vamos mostrar cinco principais formas de descobrir se o seu computador está infectado. Propagandas indesejadas aparecendo na tela este é um sintoma que geralmente acontece quando o pc tem um Malware especialmente porque […]

Avast CommunityIQ – How we find new computer viruses

This is a typical virus analyst – finding and analyzing new computer viruses. And you need hundreds of them in a normal virus lab. At Avast, we do it differently. Imagine this lamp is you, an Avast user; Surrounded by the darkness of cyberspace. When your Avast sees something suspicious, it catches it. Gotcha! … and sends the […]

Flu shift and drift | Infectious diseases | Health & Medicine | Khan Academy

Let’s say there are two communities, an orange community and a purple community, and they’re separate from each other. And your job is to go into these communities, and find out what the most common influenza type is that’s circulating among the people. So you do this, and the first thing you discover is something that’s pretty interesting, […]

Can we cure genetic diseases by rewriting DNA? | David R. Liu

The most important gift your mother and father ever gave you was the two sets of three billion letters of DNA that make up your genome. But like anything with three billion components, that gift is fragile. Sunlight, smoking, unhealthy eating, even spontaneous mistakes made by your cells, all cause changes to your genome. The most common kind […]

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