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Oct
26
comment Filamentous algae - what exactly am I looking at?
pond slime to 70's rock - i love it.
Oct
26
comment Filamentous algae - what exactly am I looking at?
thanks @shigeta. I currently don't have a camera attachment so I had to hold my SLR up against the eyepiece!
Oct
26
asked Filamentous algae - what exactly am I looking at?
Oct
25
comment Is there any documented evidence for suicide among vertebrates other than humans?
I did say vertebrates since that was the original discussion I had, but evidence for "suicide" in any organism is interesting..
Oct
16
comment Should we be looking for extra-terrestrial life on comets?
thanks @terdon that is what I meant! mind you, they found some very interesting inorganic compounds too ...
Oct
16
comment What elements are a possible basis for life?
For the time being, I think the best bet is to regard things as life if they look like life as we know it on Earth. It is dreadfully anthropocentric but at least its a starter until we really understand what separated living from non-living.
Oct
16
revised Should we be looking for extra-terrestrial life on comets?
added 52 characters in body
Oct
16
answered Should we be looking for extra-terrestrial life on comets?
Oct
13
awarded  Revival
Oct
11
revised How does the NAD+/NADH ratio affect lifespan in vertebrates?
added 4 characters in body
Oct
11
awarded  Nice Answer
Oct
10
comment What is the oldest example of DNA identified?
My understanding was that DNA in non-living matter had lifetimes of thousands of years, not millions. How did such ancient DNA manage to be preserved? Does this result hold up?
Oct
7
asked What is the oldest example of DNA identified?
Oct
6
revised Do goldfish really have a 5 second memory span?
edited title
Oct
3
revised How are there multiple varieties of the potato?
deleted 10 characters in body
Oct
3
comment How are there multiple varieties of the potato?
This question is more interesting that first meet the eye (ho-ho).
Oct
3
answered How are there multiple varieties of the potato?
Sep
29
reviewed Approve Do white Australians have a distinct look?
Sep
29
accepted Does culling badgers restrict the spread of bovine tuberculosis?
Sep
29
accepted What is the relationship between migraines and histamine?