Environment

Silent Sperm

In the novel "The Children of Men" by P. D. James, set in the year 2021, mankind is faced with extinction due to the worldwide sterility of human males. Is there a basis for fear that this is actually happening? Or is the reported decline in sperm counts, over the past half-century, even a fact?

The Most Dangerous Wave

What do you know about Tsunamis ("tidal waves")? Did you know that most people who have lost their lives to these waves have done so because they were lured to newly-exposed "dry" land as the sea receded in front of the Tsunami? I didn't either, until I read this fascinating article in discontinued wonderful magazine of the New York Academy of Sciences.