Changing Climate Likely To Make 'Super Weed' Even More Powerful:
Researchers at the University of Delaware have discovered a new reason why the tall, tasseled reed Phragmites australis is one of the most invasive plants in the United States.
Trading Energy For Safety, Bees Extend Legs To Stay Stable In Wind:
New research shows some bees brace themselves against wind and turbulence by extending their sturdy hind legs while flying. But this approach comes at a steep cost, increasing aerodynamic drag and the power required for flight by roughly 30 percent, and cutting into the bees' flight performance.
Secret Of Sandcastle Construction Could Help Revive Ancient Building Technique, Researchers Say:
The secret of a successful sandcastle could aid the revival of an ancient eco-friendly building technique, according to research led by Durham University.
Ancient Mammals Shifted Diets As Climate Changed:
A new University of Florida study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global warming.
When Hosts Go Extinct, What Happens To Their Parasites?:
Hands wring and teeth gnash over the loss of endangered species like the panda or the polar bear. But what happens to the parasites hosted by endangered species? And although most people would side with the panda over the parasite, which group should we worry about more?
Sexual Partner Status Affects A Woman's, But Not A Man's, Interest In The Opposite Sex:
A study by Indiana University neuroscientist Heather Rupp found that a woman's partner status influenced her interest in the opposite sex. In the study, women both with and without sexual partners showed little difference in their subjective ratings of photos of men when considering such measures as masculinity and attractiveness. However, the women who did not have sexual partners spent more time evaluating photos of men, demonstrating a greater interest in the photos.
Feeling Close To A Friend Increases Progesterone, Boosts Well-being And Reduces Anxiety And Stress:
Why does dishing with a girlfriend do wonders for a woman's mood? A University of Michigan study has identified a likely reason: feeling emotionally close to a friend increases levels of the hormone progesterone, helping to boost well-being and reduce anxiety and stress.
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