Bronze
The invention of the Atlatl, a spear-throwing tool, by Paleolithic people improved their hunting efficiency by increasing the speed and accuracy of their spear throws. This technology allowed them to hunt larger game from a safer distance, making hunting less physically demanding and risky. The Atlatl also increased the Paleo peoples' chances of successful hunts, providing them with more reliable access to food resources.
Nuclear energy and nuclear weapons, also some less important applications
more difficult, most difficult
Inflation is that increasing prices of goods and services, but the salaries of retired people do not rise as the prices. They have fixed incomes, and therefore their money buys a little less each month.
The Paleolithic period was considered egalitarian because it was a time when social hierarchies were minimal. People lived in small, mobile groups where resources were shared fairly among members. There was less specialization of labor and wealth accumulation, contributing to a more equal distribution of resources and power among individuals.
Hermaphrodites is a term that has fallen in disfavor and has been replaced with intersex or disorders of sexual development. Hard numbers are difficult to obtain due to some latency in discovery , but conservative estimates are less than 0. 1%.
The arrival of large numbers of people
it is less common
Have you seen the cave paintings? Experts believe female sculptures were fertility figures.
3 or less
Less that 1% According to a show I saw on the Discovery channel.
It is difficult to determine an exact number of homeless individuals worldwide as it varies depending on factors such as definitions of homelessness and the accuracy of data collection. However, estimates suggest there are millions of homeless people around the world.