Unbelievable facts that turn out to be true.

My understanding has always been he did get off the boat, but only on the islands of the New World – Hispaniola etc – not on the mainland. That would mean if he did sail up the Orinoco, which I don’t know, then he stayed on the boat at that time. I suppose he could have sailed up the river without getting off the boat.

They’ve recently mapped out the cell mutations detected in a person with lung cancer and divided it by the average number of cigarettes smoked by a patient with lung cancer. Current estimate: one mutation per 15 cigarettes. [Cancer genomes reveal risks of sun and smoke | Nature]

D’oh! :smack: In trying to research this, I now see that Columbus never set foot on the mainland of North America. So South America he did. My bad.

Is it not impossible to actually measure a coastline with complete accuracy, as the closer one looks at the coastline, the more curvature detail we see. One could measure around every stone, and further into every pit on every stone, and so on, right down to the atoms themselves?

But I’m being, what’s the word: pedantic? Is that right?

I suppose that if we were to get anywhere with this we would have to agree upon the resolution to be used.

Seattle (latitude 47° 36’ N) is farther north than Montreal (45° 30’ N).

Portland, OR (45° 31’ N) is farther north than Portland, ME (43° 40’ N).

Once upon a time the largest (or second largest, I don’t remember exactly) Swedish town was Chicago.

A sea sponge can survive being put through a blender, it can re-form itself.

The same trick doesn’t work with mice.

I’m not totally convinced of the latter, but I will be checking it out.