Confirming the presence of Huntsman spiders in New Zealand. We identify the local species and compare their size and threat level to their Australian cousins.
Trace the WWI history of shell shock, from misunderstood physical injury and harsh military response to its eventual recognition as psychological trauma and the forerunner of PTSD.
Understand the true origin of Earth's oxygen. Learn about the dominant global producers and the key distinction between oxygen gross production and net contribution.
Learn the chemical rules governing nomenclature. Discover why specific metals require Roman numerals to indicate charge and prevent ambiguity in compound names.