[Bonaparte]

"One of the enduring questions in biology is how eukaryotic cells arose from prokaryotic ancestors at least 2 billion years ago."

Notice the tacit assumption? The very first sentence of the article does not ponder whether this occured or how it might have occured, but takes it as a given, the only task being how to demonstrate the mechanism.

[VadeRetro]

The very first sentence of the article does not ponder whether this occured or how it might have occured, but takes it as a given, the only task being how to demonstrate the mechanism.

Aren't they all so silly, those biologists?