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Aug
26
awarded  Commentator
Aug
26
comment How long can a naked human survive on Mars?
the article you link also mentions that mars' atmosphere has 0.6% the pressure of earth' atmosphere, so you only get 0.6% of the CO2 per lungful as the lab animals on earth - I doubt that you get enough to die of poisoning before freezing.
Aug
26
comment How long can a naked human survive on Mars?
The pressure difference human normal atmosphere - near vaccuum is about 1bar or the same as 10m of water. Are you sure this is enough to cause divers sickness?
Jul
29
comment Why are there no organisms with metal body parts, like weapons, bones, and armour? (Or are there?)
On chemistry SE, I've asked a similiar question (or rather a question inspired by this train of thought): chemistry.stackexchange.com/questions/4009/…
Jun
17
comment Are human males and females more genetically different than members of other species?
Are men and women not identical except the Y-chromosome (Not only similiar)?
Apr
18
accepted Can animals use the nitrogen in chitin to build proteins?
Apr
17
comment Can animals use the nitrogen in chitin to build proteins?
Those animals that can digest chitin, do they use the contained N for protein building or other purposes?
Apr
17
asked Can animals use the nitrogen in chitin to build proteins?
Feb
27
asked Can the sulphur content of biological material be reliably calculated from fat, fibre and protein contents (Weender Analysis)?
Feb
25
revised Is 1 g/l living biomass for a Biogas fermenter plausible?
added 35 characters in body
Feb
25
comment Gas from bacteria that's not methane
note that methanogens actually use $H_2$ that is generated by other bacteria.
Feb
25
comment Is 1 g/l living biomass for a Biogas fermenter plausible?
I think the only possivle abbreviation was VS, did I miss any other?
Feb
25
revised Is 1 g/l living biomass for a Biogas fermenter plausible?
added 94 characters in body
Feb
22
awarded  Promoter
Feb
22
revised Is 1 g/l living biomass for a Biogas fermenter plausible?
added 18 characters in body; edited title
Feb
18
awarded  Editor
Feb
18
revised Is 1 g/l living biomass for a Biogas fermenter plausible?
changed to more exact numbers and hopefully explained why
Feb
18
comment Is 1 g/l living biomass for a Biogas fermenter plausible?
Not sure if the tag 'digestive system' is really appropriate.
Feb
18
asked Is 1 g/l living biomass for a Biogas fermenter plausible?
Feb
18
awarded  Scholar