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Poshpaws

Madrid

Research astrophysicist. Particularly interested in paleobiology, extremophiles, origin of life studies and studies of ageing.

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Top Questions
45 votes

Why are amino acids in biology homochiral?

molecular-biology abiogenesis amino-acids chirality asked Jan 11 '12 at 9:45
biology.stackexchange.com

40 votes

Why do we age? or Do we have a theory of senescence?

human-biology senescence asked Dec 27 '11 at 10:54
biology.stackexchange.com

30 votes

Is telomere length a reliable measure of health/lifespan?

human-biology dna telomere asked Dec 17 '11 at 20:08
biology.stackexchange.com

28 votes

How do biological communities at deep-ocean hydrothermal vents migrate between vents?

ecology extremophiles astrobiology asked Dec 16 '11 at 16:59
biology.stackexchange.com

21 votes

Is there any convincing evidence for the existence of nanobacteria?

microbiology astrobiology asked Dec 15 '11 at 8:46
biology.stackexchange.com

18 votes

How will rising carbon dioxide levels in the troposphere affect photosynthetic producers?

botany plant-physiology ecology photosynthesis climate-change asked Jan 16 '12 at 13:47
biology.stackexchange.com

16 votes

Is there any documented evidence for suicide among vertebrates other than humans?

zoology ethology asked Sep 8 '12 at 19:18
biology.stackexchange.com

15 votes

Are there any motile plants?

botany asked Feb 12 '12 at 20:17
biology.stackexchange.com

14 votes

Can we estimate the temperature rise in the primary due to fermentation?

fermentation fermentation-temperature calculations specific-gravity asked Nov 24 '11 at 15:44
homebrew.stackexchange.com

13 votes

How do you design a drug to be delivered to the CNS?

pharmacology blood-brain-barrier asked Jan 24 '12 at 19:55
biology.stackexchange.com

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Top Answers
99
Is there a reason why human eyesight and plants make use of the same wavelength of light?
biology.stackexchange.com

40
Life without DNA?
biology.stackexchange.com

20
Why do plants have green leaves and not red?
biology.stackexchange.com

19
What is the lowest pressure at which plants can survive?
biology.stackexchange.com

18
Are single-celled organisms capable of learning?
biology.stackexchange.com

13
Can we estimate the temperature rise in the primary due to fermentation?
homebrew.stackexchange.com

13
How do fairy rings propagate?
biology.stackexchange.com

13
When did vision evolve for the first time?
biology.stackexchange.com

12
How do biological communities at deep-ocean hydrothermal vents migrate between vents?
biology.stackexchange.com

10
Human perception of time depending on age
biology.stackexchange.com

10
Free Radicals for aging
biology.stackexchange.com

9
Why do some plant species have lobed leaves, while similar species in the same habitat don't?
biology.stackexchange.com

9
How would a plant sprout and grow in a zero gravity environment?
biology.stackexchange.com

9
How did the first self replicating organism come into existence?
biology.stackexchange.com

8
Defining paper(s) in epigenetics
biology.stackexchange.com

8
Is there life on other planets and if so how frequent?
biology.stackexchange.com

7
What is the most difficult feature to explain evolutionarily?
biology.stackexchange.com

7
Are there any plants that fix their own nitrogen?
biology.stackexchange.com

6
Why do plants have pith and how is it useful to them?
biology.stackexchange.com

6
Why can you graft two unrelated cacti successfully, but you cannot do this on garden trees?
biology.stackexchange.com

6
How do you calculate a beer's nutrition facts?
homebrew.stackexchange.com

6
What elements are a possible basis for life?
biology.stackexchange.com

6
Matplotlib Plots Lose Transparency When Saving as .ps/.eps
stackoverflow.com

5
How did the nucleobases in the Murchison meteorite form?
biology.stackexchange.com