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Barefoot running: How humans ran comfortably and safely before the invention of shoes

Scientists have found that those who run barefoot, or in minimal footwear, tend to avoid “heel-striking,” and instead land on the ball of the foot or the middle of the foot. In so doing, these runners use the architecture of the foot and leg and som…

[ More ] February 1st, 2010 | No Comments | Posted in Science |

How blood flow force protects blood vessels

Most people know that exercise protects against heart attack and stroke, but researchers have spent 30 years unraveling the biochemistry behind the idea. Researchers have now revealed new details of how athletic hearts push blood through arteries wi…

[ More ] February 1st, 2010 | No Comments | Posted in Science |
 

‘Squeaker’ catfish communicate across generations

It has been thought that young fish, lacking well-developed hearing organs, could not perceive the sounds made by their larger, older relatives. Now, researchers have used a combined fish tank and sound-proof chamber to show for the first time that …

[ More ] February 1st, 2010 | No Comments | Posted in Science |

Biochemical profile may help diagnose, determine aggressiveness of prostate cancer

Magnetic resonance spectroscopy — which analyzes the biochemistry rather than the structure of tissues — may someday be able both to pinpoint the precise location of prostate cancer and to determine the tumor’s aggressiveness, information that cou…

[ More ] February 1st, 2010 | No Comments | Posted in Science |
 

Beyond sunglasses and baseball caps

A new study found that UV-blocking contact lenses can reduce or eliminate the effects of the sun’s harmful UV radiation.

[ More ] February 1st, 2010 | No Comments | Posted in Science |

Prayer increases forgiveness, study shows

Is it possible that directed prayer might spark forgiveness in those doing the praying — and in the process preserve relationships?

[ More ] February 1st, 2010 | No Comments | Posted in Science |
 

Fat tissue may be a source of valuable blood stem cells, study says

Bone marrow is a leading source of adult stem cells, which are increasingly used for research and therapeutic interventions, but extracting the cells is an arduous and often painful process. Now, researchers have found evidence that fat tissue, know…

[ More ] February 1st, 2010 | No Comments | Posted in Science |

Non-alcoholic fatty liver disease associated with high mortality rates

Researchers have determined that patients with nonalcoholic fatty liver disease have a higher overall mortality rate compared with the general population.

[ More ] February 1st, 2010 | No Comments | Posted in Science |

Converting waste heat into electricity? Mismatched alloys are a good match for thermoelectrics

Researchers have demonstrated that the semiconductors known as highly mismatched alloys hold great promise for the future development of high performance thermoelectric devices. Thermoelectrics could play a key role in green energy production becaus…

[ More ] February 1st, 2010 | No Comments | Posted in Science |

Who is most likely to take precautions during a pandemic?

A study that looked at how people behave during pandemics has identified key demographic and psychological factors that may predict protective behaviors.

[ More ] February 1st, 2010 | No Comments | Posted in Science |