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SRH
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2012-Jul-05
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2021-Mar-03,
05:44 PM
Copernicus
replied to a thread
Disease and pandemics thread (because it's science)
in
Science and Technology
T cell immunity gets really bad with aging. The thymus turns to fat.
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2578 replies | 186328 view(s)
2021-Feb-17,
03:52 PM
Copernicus
replied to a thread
Hyperspherical Universe without Singularities.
in
Against the Mainstream
The matter in the universe is not too old. The entropy is low. How is that explained in your theory?
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72 replies | 2256 view(s)
2021-Feb-16,
04:19 PM
Copernicus
replied to a thread
Hyperspherical Universe without Singularities.
in
Against the Mainstream
Where is the beef. I never see any math here!
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72 replies | 2256 view(s)
2021-Feb-14,
09:06 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
The most recent descent missions to the atmosphere and surface of Venus were in 1985. The WOW signal was transient. The dark areas in the...
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1172 replies | 86116 view(s)
2021-Feb-14,
04:33 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
I'm saying that the net we're casting for ET life hasn't been wide enough. For instance, we've closed our eyes to the possibility of life in the...
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1172 replies | 86116 view(s)
2021-Feb-13,
11:26 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
The dark patches in the clouds of Venus are easily detectable by ultraviolet photography. What is less easy, is establishing whether they are caused...
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1172 replies | 86116 view(s)
2021-Feb-13,
10:02 PM
ToSeek
replied to a thread
MER press conference - March 18, 2004
in
Space Exploration
I just wanted to revisit this and note that my erstwhile crush has gone on to become a Rhodes Scholar and tenured PhD planetary scientist with her...
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15 replies | 2202 view(s)
2021-Feb-12,
08:59 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
"Obvious" is not the way I'd put it. What I am saying, is that microbial populations can have effects which you don't need a microscope to...
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1172 replies | 86116 view(s)
2021-Feb-12,
09:33 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
But... Populations of ET microbes * may be at interplanetary distances not interstellar distances * are comparable (if they exist) to what...
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1172 replies | 86116 view(s)
2021-Feb-11,
09:53 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
I'd suggest that the first step is to look for life in general, including microbial life. When we know a bit more about how widespread or...
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1172 replies | 86116 view(s)
2021-Feb-11,
09:09 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
Thing is, the past two centuries on Earth show that industrial technology changes fast. Do we really know where it's going? How much idea do we...
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1172 replies | 86116 view(s)
2021-Feb-10,
09:04 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
What we seem to be looking for is evidence of industrial revolutions...
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1172 replies | 86116 view(s)
2021-Feb-10,
12:45 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
I agree (up to a point) that we have to start from what we know. Although one thing we know from studying life on Earth is that life is diverse. ...
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1172 replies | 86116 view(s)
2021-Feb-08,
11:10 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
The phrase "Eerie Silence" refers to part of the Fermi Paradox. The Fermi Paradox is about why we don't observe a range of things that would be...
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1172 replies | 86116 view(s)
2021-Feb-08,
11:00 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
One of the things I'm skeptical of, is whether species that evolve on different planets are likely to be understand messages they might beam out to...
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1172 replies | 86116 view(s)
2021-Feb-07,
08:48 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
What, in your opinion, is the most likely explanation for what Paul Davies calls "the eerie silence"?
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1172 replies | 86116 view(s)
2021-Feb-06,
09:32 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
How long do you think groups of humans will keep sending out messages, if we don't detect any messages from others? Decades? Centuries?...
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1172 replies | 86116 view(s)
2021-Feb-06,
08:40 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
It's true that science seeks answers to unanswered questions. But aren't there different kinds of questions? For instance, highly specific...
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1172 replies | 86116 view(s)
2021-Feb-06,
09:15 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
We as a species, over our history, have put a lot more time and effort into building pyramids... Does it follow that future humans will also...
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1172 replies | 86116 view(s)
2021-Feb-06,
06:56 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
We fed them meat, which they helped us get hold of via hunting. Historically, domestication of the dog has been an instance of what Brin calls...
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1172 replies | 86116 view(s)
2021-Feb-06,
06:26 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
Well, dogs and humans are something of a special case, because the two species have co-evolved for thousands of years. When and if we make contact...
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1172 replies | 86116 view(s)
2021-Feb-06,
05:41 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
Or maybe we're among the technological also-rans, fouling our own planetary nest in a way that only a few technological species (the real leaders)...
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1172 replies | 86116 view(s)
2021-Feb-06,
05:33 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
I'd suggest that holding back climate change will take much greater discipline in how we use energy. Perhaps the technological civilisations...
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1172 replies | 86116 view(s)
2021-Feb-06,
01:03 AM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
I'd agree it's plausible that ETIs might know a lot about Earth, including that there is life on Earth, without knowing that Earth has intelligent...
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1172 replies | 86116 view(s)
2021-Feb-03,
09:47 PM
Colin Robinson
replied to a thread
What do you think is the most likely explanation for the Fermi paradox?
in
Life in Space
If you're right — if they have been getting extensive information about Earth for millenia — then yes, that means that sending them METI would be...
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1172 replies | 86116 view(s)
2021-Feb-03,
01:58 PM
Copernicus
replied to a thread
Road salt
in
Science and Technology
Apparently the Mediterranean lowered the oceans salinity by a staggering 6 percent over a million years. Talk about the power of nature. ...
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36 replies | 835 view(s)
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