30 Second

Stock-market crashes show how the world of high finance can negatively impact our daily life, but smart money reveals a two-way street where those savvy to the science of finance can take their personal wealth up a gear. What is a hedge fund? How best to understand private equity? What are the principles of investment?

The great painting and sculpture of the past is the indispensable backbone of most people's visual library, but wrangling centuries of wonderful works by thousands of artists into a digestible form that allows you to focus on their detail and direction can be tough. Enter 30-Second Great Art.

Genetics is the study of heredity, and reveals how the characteristics of living organisms are determined by the genes passed down the generations.

Universal change is often the result of an individual's lightbulb moment – an invention that triggers a ripple effect across countries, continents, or even out into space. Great Inventions in 30 Seconds looks at fifty of these groundbreaking innovations – great ideas that really did change the world. It covers a wide range, from early days (the wheel) through materials (the invention of steel, for example, or plastic) to communications (the alphabet, the printing press, the Worldwide Web) and the conveniences of (relatively) modern daily life (refrigeration, indoor plumbing, central heating).

Weather and climate are not the same. Weather is what occurs outdoors on a daily basis and is unpredictable from one week to the next, whereas climate follows a stable pattern that is developed over centuries. The planet is divided into climate zones—tropical, temperate and polar—based on temperature differences with distance from the equator where the sun is most intense and temperature affects humidity, precipitation, cloudiness and wind.