Thursday, 9 February, 2012

Sick of stats on unemployment, the GDP or stock market? Then meet the alternative economic indicators. Some are sensible, some are zany, and some are even backed by real data. Other “indicators” are misleading, even downright dangerous.

Sick of the scare stories about holiday stress? Over-eating, over-this, over-that? What’s the upside of holidays, in terms of ritual and getting together with family and friends? What’s more conducive to happiness: giving or receiving?

In just a moment, our brains can go from calm, deliberate and focused, to alert, agitated and aroused. New neural networks get activated during the transition. Now a study of the fight-or flight-response fingers a common hormone in triggering the brainwide changes.

The green revolution fed billions, but population keeps rising, water is short and the climate is changing. How will Africans feed themselves despite poor soil and widespread poverty? Could small projects that fit the environment and culture make farmers an engine of prosperity and a big source of food?

Bacteria can help or harm their hosts. Now we hear how one genus of bacteria can multiply fly reproduction. In this symbiosis, both parties benefit. This bacterium also alters insect immunity, and could lead to new tactics for killing horrific parasites.

When hospitals run out of anesthetics, antibiotics and cancer drugs, should we blame or thank the “gray-market”?

Synopsis: Each year, as influenza season approaches, medical authorities must scramble to predict which strains of flu will be most important, and then to grow enough vaccine to inoculate the population. Why does this take so much time, and what are some alternative strategies that might speed the process? Find the article: Flu vaccine shortage [...]

With the jobless rate still above 8%, what happens to depression, anxiety, brooding? Is job loss worse if you have more education? Could long-term job loss shorten your life?

Swimmer Diana Nyad failed to reach Florida, but ultra sports are soaring. Why would anybody bike 500 miles across the desert – or run 135? What are the rigors of training, the satisfaction of finishing, the dangers of competing? Could people be the ultimate endurance animals?

A combined nerve-graft and enzyme treatment restored breathing to 9 of 11 rats. The bacterial enzyme dissolves a molecule that separates tissues and prevents growth of nerves and blood vessels. Could this lead to the treatment that finally breaks the logjam in spinal-cord repair?