Researchers from Penn State’s Altoona Campus say that pheromone cues from human fathers may delay the onset of sexual maturity in their daughters, as part of an evolutionary strategy to prevent inbreeding. “Biological fathers send out inhibitory chemical signals to their daughters,” said researcher Robert Matchock. “In the absence of these signals, girls tend to […]
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World’s Forests Need Disasters
Forests around the world are not the stable and unchanging ecosystems they have been assumed to be. Without the occurrence of wide-spread disturbances in nature, such as forest fires, icing, or volcanic activity, forests will eventually be impoverished, owing to a lack of phosphorous. The findings – from researchers David Wardle, Richard Bardgett and Lawrence […]