send your email in the mail box             Truman

     Sydney Smallpox Epidemic

     Money is based on trust

   Palaeolithic Dining 

   Is a vegan diet healthy?


  The Wood Wide Web

   Road Trip to the future  

  The Perfect Coffee


 Migrating Species 

 Planetary Health

 How does the heart work?



 The First Computer Part 1

 The First Computer Part 2

 The First Computer Part 3



 The beautiful act of vomiting

The Flat Earth Myth,Myth

 Virus 101

Coffee, good for us or is it?

 Why did the US lose the height advantage? 

Bitcoin from the beginning.

 The Dirt on Food