Tag «science»

How Are Vaccines Actually Made

How Are Vaccines Actually Made

If you had been born in the U.S. in the year nineteen-hundred, when the three leading causes of death were all infectious diseases – pneumonia and flu, tuberculosis and gastrointestinal infections – your life expectancy would have been just over forty-seven years. In the year twenty-ten, the leading causes of death were chronic diseases like …

United States Plan for a Pandemic

United States Plan for a Pandemic

It all starts with a virus, deep within someone’s body, and a stray genetic mutation. The virus is a member of the Human Parainfluenza family, and initially is nothing more than a run of the mill- if more severe- flu-like illness. However as the virus replicates inside its host, a stray genetic mutation breeds a …

Deserts 101 | National Geographic

Deserts 101 | National Geographic

– [Narrator] Wind whips over a barren wasteland. Vast nothingness as far as the eye can see, or so it may seem. Creatures peek out of burrows, scurry across the sand, and soar through the sky, revealing a landscape not as lifeless as it might first appear. Deserts are often defined as areas of land …

The Dark History of Matches

The Dark History of Matches

[♩INTRO] In the mid-1800s, factories began mass-producing matches. Lots of them were hugely successful, and pretty soon, they were selling millions of matchboxes a year. And then the factory workers — many of whom were young women — started dying. The symptoms would often start with a toothache and jaw pain and then progress to …

A Very Handy Fish Fossil

A Very Handy Fish Fossil

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.org/SciShow to learn more. [ intro ] Now we all know that there is lot’s of important infectious disease science happening right now and three cheers for the people doing that work. So do today for Scishow News, there will be breaking news, but …