Submitted by insink2300 t3_11drr8s in askscience
cjbest t1_jacdygl wrote
Related to this, researchers have found that higher temperatures cause more human males to survive gestation. They believe temperature acts as a stressor during pregnancy.
"The temperature coefficients (Table 1) suggest that a 1°C increase in annual temperature predicts one more male than expected for every 1,000 females born in a year. The median annual number of female births over the test period was 167,046. A rise of 1°C would, therefore, imply preservation of ≈167 males in the median year."
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