Recent research tells us that the sound of our voices betrays clues about our age, whether we're menstruating (if we're female), our sexual behavior and our physical strength. All of these factors, evolutionary psychologists say, are indicators of her reproductive potential.
Here’s some futurey Valentine’s Day news: Future space colonists would likely be unable to procreate because of the ionizing radiation that permeates the solar system, according to a paper by NASA researchers.
Investigators at the University of Michigan's Institute for Social Research have unequivocally demonstrated that our parents often get on our nerves -- and we on theirs. "The parent-child relationship is one of the longest-lasting social ties human beings establish," said Kira Birditt, the study's lead. "This tie is often highly positive and supportive but it also commonly includes feelings of irritation, tension and ambivalence."
This is strange: to predict how successful your marriage will be, take out an old yearbook picture of yourself. Are you smiling big, just like the class photographer wanted you to do? That's a good indicator that you're not going to get divorced.
Also in today's links: wolves in Montana, allergies to fruit and veggies, and more.
The cute and cuddly prairie vole, one of only a few mammals that remain monogamous for most of their lives, has long been a favorite “lab rat” for scientists studying love and attachment. Now researchers at Emory University and the University of Regensburg have found that prairie voles actually show signs of grieving—the opposite of attachment—when they’re taken away from their romantic partners.