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5 December 2013 11:26 am ,
Vol. 342 ,
Dyslexia, a learning disability that hinders reading, hasn't been associated with deficits in vision, hearing, or...
Exotic, elusive, and dangerous, snakes have fascinated humankind for millennia. They can be hard to find, yet their...
Researchers have sequenced and analyzed the first two snake genomes, which represent two evolutionary extremes. The...
Snake venoms are remarkably complex mixtures that can stun or kill prey within minutes. But more and more researchers...
At age 30, Dutch biologist Freek Vonk has built up a respectable career as a snake scientist. But in his home country,...
Since arriving on the island of Guam in the 1940s, the brown tree snake ( Boiga irregularis ) has extirpated native...
An animal rights group known as the Nonhuman Rights Project filed lawsuits in three New York courts this week in an...
Researchers have been hot on the trail of the elusive Denisovans, a type of ancient human known only by their DNA and...
- 5 December 2013 11:26 am , Vol. 342 , #6163
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ScienceShot: Heavy Stubble Makes Men More Attractive
24 April 2013 5:00 pm
Men may now think twice about reaching for a razor. A new study shows that facial hair says a lot about a man and that attractiveness peaks at the "heavy stubble" phase. Researchers photographed 10 men at four stages of beard growth: clean shaven, 5-day "light" stubble, 10-day "heavy" stubble (shown), and fully bearded. Three hundred and fifty-one women and 177 heterosexual men viewed the photos and rated each face for attractiveness, masculinity, health, and parenting ability. Women ranked heavily stubbled faces as the most attractive. Participants said that the clean-shaven men looked about as healthy and attractive as those with a full beard, but rated the bearded men higher for perceived parenting skills. Light stubble got the short end of the stick, garnering low scores across the board from both men and women. The 5-day growth may be too patchy, the researchers write in the May issue of Evolution and Human Behavior, which suggests "a threshold of density and distribution may be necessary for beards to function as an attractive signal." Stubble conveys maturity and manliness, they write, with less of the macho aggressiveness implied by a full beard.
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