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Mar
22
comment Are there sterilisation methods that do not denature proteins as heat does?
Most countries require pasteurization and not sterilization of milk (en.wikipedia.org/wiki/Pasteurization), but that also involves heat. It doesn't result in denaturation of the proteins however - who would drink curdled milk?
Feb
26
suggested rejected edit on The human organism knows what we have to eat?
Feb
17
answered Protein Structure Parameters
Feb
17
comment Protein Structure Parameters
By "protein structure" do you mean the position of the atoms in a protein at a particular point in time?
Aug
25
awarded  Yearling
Aug
29
awarded  Critic
Aug
28
answered How was the guided daily amount (GDA) calculated?
Aug
28
answered How do trees use Adhesion and Cohesion to move water against gravity?
Aug
28
comment Have there been attempts to identify Chomsky's “language mutation” in humans?
It seems a very simplistic view. After all, spoken language relies on vocalization, which plenty of species have. On the other hand, sign language can be used for communication. There are also other types of non-verbal signaling in humans and other species. So what exactly is language?
Aug
28
revised Do twins “run in the family”?
deleted 15 characters in body
Aug
27
comment Do twins “run in the family”?
@JonEricson, I don't think they try to establish any kind of causal relationship between the gene and hyperovulation. They simply found a suggestive correlation, but for the purposes of your question that would indicate a strong genetic component, I think. The study was geographically localized, which makes it more difficult to reach a general conclusion. The interesting thing that I noticed: they throw some doubt on the 'maternal lineage only' hypothesis. The quote you mentioned, I think it simply gives an alternative explanation for the disequilibrium in the alleles that they found.
Aug
27
comment Do twins “run in the family”?
@JonEricson, added a couple of sources. It is my own impression from reading the sources that genetics is the most important. One way to think of it - without the genes for it, there is virtually 0 chance of it happening. In other words, it doesn't seem possible to just eat a bunch of soy beans, let's say, and have twins as a result.
Aug
27
revised Do twins “run in the family”?
added sources
Aug
27
awarded  Editor
Aug
27
revised Do twins “run in the family”?
added more factors
Aug
27
answered Do twins “run in the family”?
Aug
27
comment How did butterflies evolve to have eyes on their wings?
@user1310, again you make a statement without proof, and you happen to be spectacularly wrong. Fractals generate the exact type of patterns that you are referring to, and I refer you to the Wikipedia entry: Fractals. BTW, this is Q/A site, not a debate site, so if you have some knowledge to share, please provide the source of your assertions - a publication, well-known theorem, whatever.
Aug
27
awarded  Citizen Patrol
Aug
27
comment How did butterflies evolve to have eyes on their wings?
You just delivered some pretty opinionated statements. What knowledge/science/evidence are you basing them on? Could you please provide references?
Aug
25
comment Human evolution: Where *exactly* did the first human come from, whose parents were not?
@Mohammad, yes, I think you make a good point. To use the color analogy again, if all we could see was blue, red and purple, we could point to purple and say "this is not red".