Researchers from The University of Arizona and Columbia University have discovered that tiny filaments on bacteria can bundle together and pull with forces far stronger than experts had previously thought possible.
Work Hassles Hamper Sleep, Study Shows:
Common hassles at work are more likely than long hours, night shifts or job insecurity to follow workers home and interfere with their sleep. That's the conclusion of a University of Michigan study presented April 17 at the annual meeting of the Population Association of America.
Are Humans Hardwired For Fairness?:
Is fairness simply a ruse, something we adopt only when we secretly see an advantage in it for ourselves? Many psychologists have in recent years moved away from this purely utilitarian view, dismissing it as too simplistic. Recent advances in both cognitive science and neuroscience now allow psychologists to approach this question in some different ways, and they are getting some intriguing results.
Older People Are Nation's Happiest: Baby Boomers Less Happy Than Other Generational Groups:
Americans grow happier as they grow older, according to a University of Chicago study that is one of the most thorough examinations of happiness ever done in America.
Early Elephant 'Was Amphibious':
The scientists were investigating the lifestyle of two early elephants (proboscideans) Moeritherium and Barytherium that lived in the Eocene period, over 37 million years ago. By analysing isotopes in tooth enamel from Moeritherium they were able to deduce that it was very likely a semi-aquatic mammal, spending its days in water eating freshwater plants.'
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