Poshpaws

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visits member for 1 year, 6 months
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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.


26 Answers

newest activity votes
1
Is there life on other planets and if so how frequent?
feb 14 at 18:58
3
Should we be looking for extra-terrestrial life on comets?
oct 16 at 9:05
2
How are there multiple varieties of the potato?
oct 3 at 9:28
4
What elements are a possible basis for life?
sep 25 at 8:10
2
How does the NAD+/NADH ratio affect lifespan in vertebrates?
sep 18 at 14:58
2
What would need to be discovered to prove there is extraterrestrial life?
aug 21 at 15:06
4
How did the nucleobases in the Murchison meteorite form?
jul 20 '12 at 14:25
6
How did the first self replicating organism come into existence?
jun 30 '12 at 19:42
3
Why do cucurbits produce so much fluid when their stems are cut?
mar 24 '12 at 19:34
8
Free Radicals for aging
mar 11 '12 at 11:30
11
What is the lowest pressure at which plants can survive?
feb 29 '12 at 11:31
6
Why can you graft two unrelated cacti successfully, but you cannot do this on garden trees?
feb 22 '12 at 9:51
4
How would a plant sprout and grow in a zero gravity environment?
feb 20 '12 at 16:29
7
Why do some plant species have lobed leaves, while similar species in the same habitat don't?
feb 4 '12 at 12:07
10
When did vision evolve for the first time?
jan 25 '12 at 19:15
5
Human perception of time depending on age
jan 18 '12 at 19:42
6
Are there any plants that fix their own nitrogen?
jan 17 '12 at 10:55
5
Why do plants have pith and how is it useful to them?
jan 12 '12 at 11:51
6
Why do plants have green leaves and not red?
jan 9 '12 at 19:59
35
Is there a reason why human eyesight and plants make use of the same wavelength of light?
jan 6 '12 at 11:42
8
How do biological communities at deep-ocean hydrothermal vents migrate between vents?
dec 28 '11 at 18:23
6
What is the most difficult feature to explain evolutionarily?
dec 23 '11 at 18:01
6
Defining paper(s) in epigenetics
dec 21 '11 at 23:38
12
Are single-celled organisms capable of learning?
dec 20 '11 at 23:34
20
Life without DNA?
dec 15 '11 at 16:06
10
How do fairy rings propagate?
dec 15 '11 at 15:55