The author, Australian anthropologist Peter McAllister, claims among other things that Australian aboriginals would have beaten Usain Bolt in the 100-metres, given modern training and equipment.
It is indeed true that most modern men and women are far less physically able than they were in the not too distant past. Of course life expectancy has increased due to advances in hygene and medicine, yet the ability of the average person to run, jump and lift things has seriously declined.
Read the article and then ask yourself what you can do to help reverse this trend. Imagine how advanced we could become as a species if we placed the same importance on physical fitness as we do on the invention of new technology!