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Genetic Information Migrates from Plant to Plant
February 1, 2012 — To generate phylogenetic trees and investigate relationships between organisms, scientists usually look for similarities and differences in the DNA. Plant scientists were confounded by the fact that ... > full story -
Multiple Births Lead to Weight Gain, Other Problems for Mouse Moms and Offspring
January 26, 2012 — Study in model that mimics human effects of multiparity (giving birth more than once) finds mouse moms who gave birth 4 times accrued significantly more fat vs. primiparous females (those giving ... > full story -
Tiny Crooners: Male House Mice Sing Songs to Impress the Girls
January 26, 2012 — It comes as a surprise to many that male house mice produce melodious songs to attract mates. Unfortunately for us, because the melodies are in the ultra-sonic range human ears cannot detect ... > full story -
Turtles' Mating Habits Protect Against Effects of Climate Change
January 24, 2012 — The mating habits of marine turtles may help to protect them against the effects of climate change. The study shows how the mating patterns of a population of endangered green turtles may be helping ... > full story -
Monogamy Reduces Major Social Problems of Polygamist Cultures
January 24, 2012 — In cultures that permit men to take multiple wives, the intra-sexual competition that occurs causes greater levels of crime, violence, poverty and gender inequality than in societies that ... > full story -
Ancient Dinosaur Nursery: Oldest Nesting Site Yet Found
January 23, 2012 — An excavation at a site in South Africa has unearthed the 190-million-year-old dinosaur nesting site of the prosauropod dinosaur Massospondylus -- revealing significant clues about the evolution of ... > full storyMore: -
Sex No More Strenuous Than Golf, Expert Says
January 23, 2012 — For most heart and stroke patients, it's probably safe to have sex. "For a patient who has sex with a familiar partner in a familiar setting, sexual activity generally is safe and no more strenuous ... > full story -
Bonobos' Unusual Success Story
January 23, 2012 — Bonobos are among the closest living relatives of humans. Like other great apes they live in groups made up of several males and females. Unlike other ape species however, male bonobos do not, in ... > full story -
Sleep Vs. Cuddling: Study Looks at What Happens After Sex
January 21, 2012 — According to a recent study by evolutionary psychologists, the tendency to fall asleep first after sex is associated with greater partner desire for bonding and ... > full story -
Facial Symmetry May Play a Role in 'Gaydar'
January 21, 2012 — Researchers examined how perceptions of a person’s sexual orientation are influenced by facial symmetry and proportions. Self-identified heterosexuals had facial features that were slightly ... > full story
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