sterid
  • Member for 5 years, 2 months
  • Last seen more than 2 years ago
Why is the heart adversely impacted by chronic psychological stress, yet it benefits from routine physical exercise?
2 votes

I have an answer, but it is not ideal because science's current understanding of the answer to your question is somewhat limited. The detrimental influence of physiological stress upon the heart is ...

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Species that murder their own counterparts when put in captivity
1 votes

Some individuals kill their own offspring (https://en.wikipedia.org/wiki/Infanticide) or eat their offspring (https://en.wikipedia.org/wiki/Filial_cannibalism) or their own siblings (https://en....

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Should we induce fever to assist healing?
1 votes

In terms of bacteria and viruses within humans, the reason the bacteria and viruses function well at normal body temperature is because it's normal. If fever were a perpetual state, the bacteria and ...

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How to predict future generations from heritability
Accepted answer
1 votes

"How would I plug those numbers into the breeders equation?" You would use those fertility rates in calculating the selection differential (S), which would essentially be a weighted intelligence ...

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Global database for patients with rare and important injuries or disease?
0 votes

I don't know whether there's a global database of the sort you're thinking of, but Crowdmed.com is a website on which patients post their own obscure medical cases and post a bounty for researchers ...

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Does evolution produce organisms perfectly adapted to their environment?
-1 votes

The term "perfectly" is a problem because perfect adaptations may not be available via mutation and because the environment is constantly changing anyway, so what is perfect in one environment when ...

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How can someone share 50% of their DNA with their parents yet all humans share 99.9%?
-1 votes

The 99% and 50% refer to different senses of relatedness. Humans share 99% of genes with other humans: If you were to compare one human to another human with respect to every single one of their ...

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Did the capacity to be "knocked out" arise because it conferred an evolutionary advantage?
-1 votes

Some goats faint due to fear (https://en.wikipedia.org/wiki/Fainting_goat). This is possibly to "play dead," to basically concede to the source of the fear. There is some indication this might occur ...

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Why would a human female have a sexual display despite male biased operational sex ratio?
-2 votes

Based on what is currently known, I would say that while females might find sperm readily available, it is common for human males to not only provide sperm but also help rear the offspring (e.g., ...

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Heritability of trait stronger from one sex over another?
-2 votes

Merila & Sheldon 2000 (DOI=10.1086/303330) found: "One striking, and unexpected, result from this study was that the heritability of lifetime reproductive success in females was relatively high ...

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