What happens to US citizens who are deported back to the US from other countries?
My boss was heading to the great white north, AKA Canada, for a sales conference. He gets to customs in Toronto and he told me later that he…
Since humans can’t eat raw meat, how did we ever survive before we learned to control fire?
Quite a few people seem confused by when humans mastered fire. One group of vegans I occasionally stalk for meme content is convinced humans began using fire around…
Why was the concrete made by the Romans more than 2,000 years ago stronger than the one used today?
Roman’s were lucky. Roman concrete is amazingly strong because of its chemistry. Modern-day concrete is typically made of ‘Portland cement’ that is then mixed with water and aggregate…
How accurate is the science in ‘The Martian’? Could a man really survive on Mars for so long as shown in the film?
I saw the movie. It was really good. A lot of the science was pretty good, but not all of it. The soil of Mars can grow food…