If you are a blogger or read blogs often, you know that there are a good number of excellent blog carnivals focused on specific themes. If you are interested in medicine, you know what carnival to visit. Education, the same. Biology, neuroscience, nursing, birds, aging, philosophy…a variety of topics are very well covered in the blogosphere.

What you probably haven’t come across is a high-quality “metacarnival” or “carnival of carnivals”, where you can read the best blog posts ACROSS topics, subjects, disciplines.

This is why a few blog carnival “organizers” are launching next Monday a monthly rotating “MetaCarnival” to feature the most interesting posts from a variety of high-quality blog carnivals.

Participating blog carnivals so far, alphabetically: Read the rest of this entry »

Welcome to the third edition of Hourglass, the monthly virtual gathering of bloggers to discuss the Biology of Aging.

For today’s edition, let’s imagine all participants sitting around a table leading a lively Questions & Answers session, discussing as a group, listening, talking. (And, well, aging.)

Q: What is aging?
Ms. Wikipedia: “Ageing or aging (American English) is the accumulation of changes in an organism or object over time. Ageing in humans refers to a multidimensional process of physical, psychological, and social change. Some dimensions of ageing grow and expand over time, while others decline. Reaction time, for example, may slow with age, while knowledge of world events and wisdom may expand.”

Aging may not be the sexiest  of words in our vocabulary. Unless, of course (as I heard somewhere recently but can’t properly credit), you consider the most common alternative.

Q: If the objective of anti-aging research is to extend lifespan, isn’t there a risk that we may neglect quality of life. After all, would people really like to spend more years afflicted by the diseases and the decline that often come with age?
Ed (dragged to the discussion by Chris and Alvaro): I have relatively good news to share. A recent  University of Southern Denmark found that the proportion of elderly Danes who manage to remain independent holds steady at Read the rest of this entry »