3,929 reputation
1436
bio website
location Canary Islands
age
visits member for 2 years, 8 months
seen Jul 23 at 19:29

Research astrophysicist. Particularly interested in astrobiology, paleobiology, extremophiles, origin of life studies and studies of ageing. Working toward a biochemistry degree when I have time.


Feb
17
comment Is there life on other planets and if so how frequent?
One thing is whether a planet is in a habitable zone - something we can begin to estimate with exoplanet observations - another is to know the probability of life evolving on the planet. Until we start to see evidence for extraterrestrial life (e.g. biosignatures) this is still a complete guess.
Feb
17
comment What kind of microscope should be used to view biological structures (such as spores) roughly 5 µm in length?
In this price range, I would avoid anything with very high magnifications > 600x or so. You'll find it very difficult to get enough contrast to see any details.
Feb
16
comment Cell Respiration and Oxidative Phosphorylation
For me, ATP synthase is one of the most remarkable features of the cell. Beautiful.
Feb
14
revised Is there life on other planets and if so how frequent?
added 187 characters in body
Feb
14
answered Is there life on other planets and if so how frequent?
Dec
18
comment Evolution in 37 years, is it possible?
Interesting post, but your definition of evolution is incorrect. Evolution is not organismal adaptation. Most organisms can adapt to changing environments within certain parameters. It would be more accurate to say that evolution is the generational change of inherited characteristics (through processes such as natural selection.)
Dec
14
awarded  Yearling
Dec
12
comment What vegetation would thrive in the Martian atmosphere?
Check out the answer here biology.stackexchange.com/questions/1242/…
Oct
31
comment Can Bioluminescence drive photosynthesis?
Also, what are you going to do with the methane?
Oct
31
comment Can Bioluminescence drive photosynthesis?
Sounds like an interesting project. But why not just expose the algae to sunlight?
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