Groucho's Fact Hunt

yes, I read this recently. They calculate about 105bio people have ever lived...so about 1 in 15 are currently still alive. Compare this to other mammals where it is more-like 1 in a 1000

Saw a cool image about this with an hourglass and birth/death rates the other day, but can't find it for the life of me now :(

Btw, for people who like this kind of thing, Bill Bryson's books are great - especially One Summer, which has loads of random little facts in it, and is a fascinating read all round :)
 

The space between the floors of The Dakota Apartments in New York ( yeah lennon and yoko's gaff, those apartments ) is 3 foot wide and filled with clay from the landscaping of Central Park...serious sound proofing.
 

I posted the pic above to demonstrate how Alaska can be the most Easterly, and Westerly state of the US. It shows how the Aleution Islands cross over the 180 degree line seperating East and West.

Thats the simple bit.

I think the confusion comes from when @Philw pointed out that the far East point of Russia in that pic also crosses over the 180 degree line, which should then make that part of Russia the most Westerly point (using the Alaska logic).

Yet when i look it up on google it says the most Westerly part of Russia is https://en.wikipedia.org/wiki/Kaliningrad_Oblast

which is a small bit of land North of Poland.
interesting issue you raise...I would definitely say the most Westerly part of Russia is the bit that extends beyond the 180degree East line of longitude (and hence into the extreme western hemisphere.)
 

I think it's right, it's not the pressure that matters, as astronauts will be at roughly atmospheric pressure unless something goes catastrophically wrong. Instead, it's the lack of a buoyancy force due to being in free fall, so the bubbles won't rise.
Lack of buoyancy I can understand, but that is totally unrelated to pressure (which will be virtually zero).
Pressure is essentially the weight of the air in the atmosphere pushing down. In space there is no atmosphere, therefore they are not at atmospheric pressure. Just like a plane, the higher you go, the less pressure there is
 

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