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posted 10-02-2010 11:22
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hahaha
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posted 10-02-2010 11:22
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Sorry, another evolution one:
Why did penguins lose their ability to fly through evolution, when all their natural predators come from the land or sea?
I can't see what they've gained by losing such a useful ability?
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posted 10-02-2010 11:23
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Ida' amazingly well preserved as well- one of the best ever found.
Also, there's some controversy over where exactly it fits in the evolutionary tree. It's missing some key lemur features.
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posted 10-02-2010 11:26
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I like the little mat they're doing it on. Lego floors are a bitch for sex.
That's a little technique called the reverse cowboy.
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posted 10-02-2010 11:30
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That hairstyle is so '09.
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posted 10-02-2010 11:30
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Mitch wrote:
Sorry, another evolution one:
Why did penguins lose their ability to fly through evolution, when all their natural predators come from the land or sea?
I can't see what they've gained by losing such a useful ability?
Flying is very energy intensive, especially for such a heavy bird. And the specialisations they've developed for fishing don't exactly mesh well with efficient flying. Look at the albatross and try to imagine it zipping through the water. Another albatross comparison - taking off takes a lot of time and effort. By the time a penguin got in the air the seal would already have eaten it.
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posted 10-02-2010 11:49
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Cheers GY!
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posted 10-02-2010 11:49
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Hang on - do we know Penguins were heavy before they stopped flying? Maybe they've just let themselves go since they became earth-bound.
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posted 10-02-2010 11:56
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It's missing some key lemur features.
And she has I think it's foot or ankle bones that are just like primates in the same branch as humans.
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posted 10-02-2010 12:25
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I wasn't implying any chronology there. The point is that as penguins became more specialised for their environment (large fat reserves, streamlined for motion through water etc, they would inevitably become less good at flying, to the extent where there wasn't any selective advantage in retaining the ability. Which came first wasn't really the point, although the evidence suggests that penguins evolved and boomed in population at a time when there had relatively few predators, thanks to the dinosaurs all dying and marine mammals not having evolved yet. If you're really interested in that aspect, there's a recent paper on penguin evolution here
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posted 10-02-2010 12:52
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Let's not forget that the best thing about penguins is how adorable they are.
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posted 10-02-2010 13:24
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Bored of Education wrote:
On behalf of another OTFer who rarely visits "World".
When you have a cold, why is it that, when you cough up a lung pancake, it tastes of walnuts?
Brazil nuts, actually. Walnuts? The very thought of it, tsch!
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posted 10-02-2010 13:26
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Reed of the Valley People wrote:
Either because you're standing in your own piss or because emptying one's bladder means the body is no longer tasked with keeping a bucket of piss warm, which makes it easier for it to spread warmth to the extremities.
Maybe it's less kepping the piss warm and more keeping the piss in at all. When you relax the muscles that keep your bladder warms does blood that was concentrated in them flow more freely to extrmities or something?
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posted 10-02-2010 13:37
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Two more questions
What question are the Lego shaggers answering?
Why are all the bodily excretions such different colours - shit brown, snot green, earwax yellow etc. What are they all made of?
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posted 10-02-2010 13:44
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I think shit is brown because of bile pigments.
My earwax is brown by the way.
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posted 10-02-2010 13:44
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Why would you expect them to be the same colour?
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posted 10-02-2010 13:51
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Bored of Education wrote:
Two more questions
What question are the Lego shaggers answering?
Why are all the bodily excretions such different colours - shit brown, snot green, earwax yellow etc. What are they all made of?
The lego shaggers are from the lego new testament which is linked upthread.
I thought the brown colour of faeces was due to dead blood cells excreted with waste matter?
I once tore the scab off a long thin deep cut on my shin and the pus that shot out was a vivid orange, clear liquid like flat Lucozade.
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Last Edit: 10-02-2010 13:52 By Harry Truscott.
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posted 10-02-2010 14:04
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I thought the brown colour of faeces was due to dead blood cells excreted with waste matter?
Red blood cells get mostly recycled in the spleen and liver (although some of their components might get excreted).
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posted 10-02-2010 14:06
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I just looked it up and we were both partially right -- it's brown due to a combination of bile and bilirubin (a breakdown product of red blood cells).
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posted 10-02-2010 15:05
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If we assume that some people are hapless, feckless, gormless and ruthless, then how is it you never hear anyone that's said to be full of hap, replete with feck, loaded with gorm or, indeed, has ruth to spare?
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