Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses.
Vlad Tepes, also known as Vlad the Impaler, and even più infamously known as Dracula defended Romania against the Ottoman Empire in some of the most horrific ways imaginable.
As part of the National Geographic and Rolex Perpetual Planet Everest Expedition, a team of scientists and Sherpa guides sets out to collect information about glacial change in the Himalayas.
A team of researchers and local communities, supported da the Okavango Eternal partnership, follow the flow to determine how we can preserve these vital water systems. …
