A total of 1,303 high school students in Aragon have participated in an online scientific-social experiment to determine the problems and conflicts arising from cooperation in present day society.

The debate may largely be drawn along political lines, but the human role in climate change remains one of the most controversial questions in 21st century science.

In response to Tim Wikiriwhi (Waikato Times letters, December 4): to conflate hypotheses about the origins of life with the fact and theory of evolution is to create a straw man. These are two separate issues. Evolution considers heritable changes in living things, not the origin of life itself.

By Beardsley, Timothy M Years ago, many of us slogged through exercises involving null hypotheses, postulates that some suspected effect does not exist.

By Singer, Fred The hypothetico-deductive method, as currently taught, confuses students and distorts their understanding of science.