Archive for July, 2012

100 Years of Cosmic Rays Mystery

 
As physicists gather in early August to celebrate a century since the initial discovery of cosmic rays, Alan Watson, emeritus professor of physics at the University of Leeds, explains how physicists have gradually revealed the nature of these mysterious objects and examines the progress being made in understanding where they come from.

It is now widely accepted that cosmic rays are the nuclei of atoms, from the entire range of naturally occurring elements, that travel at near-light-speeds for millions of years before reaching Earth. However, identifying the source of cosmic rays has proved to be a very difficult task.

 

Women Can Be Their Own Worst Critics

 
Why are women's looks so often a topic of fascination — and criticism — even among women themselves? We seem so ready to judge the choices our fellow sisters make, from how we handle our relationships, children and careers, to how we deal with our aging appearance. Remember when we used to question, "Does She or Doesn't She?" Now we wonder, "Has She or Hasn't She?" You would think we would tire of all the scrutiny, maybe even try to stop it, rather than continue the cycle…

Women today need to be reminded that unless we view one another with greater compassion, empathy and encouragement, we join the insidious atmosphere created by our youth and beauty-obsessed culture.

 

Olympics for the Rest of Us: How Ping-Pong Can Help Your Brain

 
The physical benefits of the Olympic sports are pretty obvious: strength, endurance and agility, to name a few. But did you know they also can help the brain? Mayo Clinic research shows that any exercise that gets the heart pumping may reduce the risk of dementia and mild cognitive impairment — and slow those conditions if they start. Aerobic exercise also can boost your mood.

Science Daily

 

U.S. singer/actor Tony Martin dies @ 98

 
He was best known for such romantic 1950s ballads as There's No Tomorrow and To Each His Own, and his 60-year marriage to dancer Cyd Charisse.

A peer of Bing Crosby and Frank Sinatra, Martin also starred in movie musicals from the 1930s to the '50s, alongside stars such as Judy Garland.

Business manager Stan Schneider said he had died "peacefully" of natural causes at his Los Angeles home on Friday.

 

Exercise May Ease Depression in Heart Failure Patients

 
Following an exercise plan can ease depression in patients with heart failure, creating improvements in mood that are comparable to the effects seen with medication, a new study found.

NYT

 

Concussions & Head Impacts May Accelerate Brain Aging

 
Concussions and even lesser head impacts may speed up the brain's natural aging process by causing signaling pathways in the brain to break down more quickly than they would in someone who has never suffered a brain injury or concussion.

Science Daily

 

“Earliest” evidence of modern human culture found

 
The earliest unambiguous evidence for modern human behavior has been discovered by an international team of researchers in a South African cave…

Although 75,000-year-old evidence for human innovation has previously been found in southern Africa, the meaning of these artifacts has been difficult to interpret.

 
Login
Archives