They're still working, and likely just as hard as before, so it's really not what you would call retirement. I suspect the writer has a prejudice that research in Africa is a vacation compared to 'real' research in places like Europe, North America, or Japan.

Then again, continuing to work is what retirement is starting to look like for a lot of people.

You're restating the question, not answering it.

That's called the luminiferous aether hypothesis.

Suddenly? She was born that way, with the W chromosome and all.

Why does the rubber band carry the ant forward? Isn't it equally plausible that the rubber band moves underneath the ant's feet while her speed remains constant, decreasing her speed relative to the rubber band?

I've never heard the explanation as to why that makes light seem to go faster rather than seem to go slower.

In one version of reality, this is a first post!

Is this really about education or is it just self-selection based on wealth? People have noticed the latter for thousands of years.

If you had property in Hawaii a kilometre from shore and it was devastated by such a tsunami, you probably wouldn't call it hyperbole.

What? The software is not non-denominational?

Everyone agrees with that part. The problem is no-one agrees how much is 'just barely enough'.

The "countries with which the United States has a non-espionage pact" don't spy on the US. It's a one-side agreement, like most treaties with the US are in practice.

And if it's declared intelligent, and then someone figures out how to explain how it came up with whatever the original content is, then does it just become less intelligent?

But notice the huge area of the Venn diagram labelled "false positives"...

Hasn't anyone considered that the Superman logo didn't belong on a memorial in the first place? It's supposed to be about a particular child, not a fictional character.