Skeptophilia

The environmentalists tell us "extinction is forever," and that certainly seems unarguable.  Once a species is lost, evolution wil...

From the One Thing Leads To Another department, we have: a cute little fuzzy mammal from Madagascar, some thoughts about genetic drift, and ...

Next to the purely religious arguments -- those that boil down to "it's in the Bible, so I believe it" -- the most common obje...

Whenever we have a wet summer -- not an uncommon occurrence in our rainy climate -- we have a plague of little pests trying to get into our ...

One of the most fascinating features of biological evolution -- particularly as it applies to the possibility of life on other planets -- ha...

George Wynn Brereton Huntingford was a British anthropologist, linguist, and historian, who traveled widely and was famed for his perceptiv...

It's estimated that of the five billion species of organisms that have ever existed on Earth, something like 99.99% of them are extinct....

In 1904, biologist Joseph Grinnell formulated what has since become known as the Competitive Exclusion Principle : if two species overlap i...

Yesterday I was thinking about sex. Not like that .  My intention is to keep this blog PG-13.  I meant sexual reproduction in general, and t...