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Feb
1
comment Why did life not evolve to use radio?
@DanDascalescu: (1) What do you mean there is no transmitter? Bats create the sound they listen for echoes of and (2) Bats' echolocation works by further evolution of the already-selected-for abilities to hear and make sounds.
Jan
16
awarded  Yearling
Dec
9
answered Long term storage of agarose-ethidium bromide gels that have already been cast
Dec
3
comment Why only female mammals have well developed mammary glands?
I addressed your first point in the second paragraph. Male investment is high in humans, it is not in mammals in general and the dimorphism in mammaries did not evolve in humans. As to your second point, it's certainly true that males invest in reproduction to similar levels to females but in the individual offspring the investment is higher in the female.
Dec
2
answered Why only female mammals have well developed mammary glands?
Dec
2
comment Why only female mammals have well developed mammary glands?
Incidentally, the XY system is not used in all mammals so there is a slight lack of generality here.
Dec
2
comment Why only female mammals have well developed mammary glands?
I think this answer, while of decent quality, does not actually address the question the OP is asking. This is the mechanics of how there is a difference not the reasons why there is a difference.
Dec
1
answered Simple Mendelian Genetics Question
Dec
1
comment Why are some fungi poisonous?
@Anixx: I'm not aware of such a claim and would be interested in a source? Even if it is true I am quite certain that those mushrooms will not be poisonous.
Nov
25
comment In males, why it is difficult to control orgasm?
Both men and women can learn to control orgasm for prolonged periods. It is a reasonably common part of BDSM sexual practices to insist that the 'sub' requests permission before orgasming.
Nov
19
answered Why does sex last so long?
Nov
5
comment When writing about past research should I use the species name they employed or the modern version?
I think you're confusing more than one thing here. Campylobacter fetus is the correct, current, internationally recognised name for the species. Like many species, it has been moved to a different genus than it was originally assigned to. The principle of priority applies when the same species has been identified by different researchers.
Nov
4
accepted When writing about past research should I use the species name they employed or the modern version?
Oct
31
revised When writing about past research should I use the species name they employed or the modern version?
added 4 characters in body
Oct
31
asked When writing about past research should I use the species name they employed or the modern version?
Oct
2
awarded  Quorum
Sep
24
awarded  Autobiographer
Sep
23
comment How many humans have been in my lineage? Is it almost the same for every human currently living?
@Joe: It's a model. Any model will be, by it's nature, limited. The limitations are discussed in the paper, as is there potential impacts on the resulting number.
Sep
23
comment How many humans have been in my lineage? Is it almost the same for every human currently living?
@Joe: It's not my claim. It's the number given in the primary literature source I linked to. Other estimates exist but even then they only push it back to around 8000 years ago, still a small period of time in comparison to the time since the human/chimp split.
Sep
23
comment How many humans have been in my lineage? Is it almost the same for every human currently living?
@MooingDuck: Perhaps you'd like to read the link I gave.