Beyond the answers - interesting background to this quiz

A document that changed the course of history

The Declaration of Independence was adopted in 1776, but the vote for independence actually happened on 2 July, two days before the famous document was approved. Thomas Jefferson drafted it, and John Adams predicted the occasion would be celebrated with fireworks and parades for generations - though he assumed the date would be 2 July, not 4 July. The document's core idea, that governments derive their power from the consent of the governed, echoed through later movements for independence around the world.

Fonts are everywhere, even when you do not notice them

Calibri, Arial and Courier are all typefaces, and each has a distinct personality. Courier was designed in the 1950s for typewriters and later became the standard font for Hollywood screenplays. Arial, a clean sans-serif, was created in 1982 as a rival to Helvetica. Calibri, rounder and softer, became Microsoft Word's default font in 2007, replacing Times New Roman - a change that quietly affected millions of documents.

What ethology actually studies

Ethology is the scientific study of animal behaviour, particularly in natural settings rather than laboratories. It became a recognised discipline through the work of Konrad Lorenz, Niko Tinbergen and Karl von Frisch, who shared the 1973 Nobel Prize in Physiology or Medicine. Their research covered everything from imprinting in young geese to the waggle dance of honeybees. Ethology differs from behaviourism in psychology because it focuses on instinct and evolution rather than learned responses alone.

Ravioli and the logic of filled pasta

Ravioli are just one member of a broader family of stuffed Italian pasta that includes tortellini, agnolotti and cappelletti. The filling varies by region: ricotta and spinach in Tuscany, meat in Bologna, pumpkin in Mantua. The word may derive from an old Italian term meaning "to wrap" or "to tuck", reflecting how the filling is enclosed. Traditional ravioli are sealed by hand along the edges, which is why the crimped border is considered a mark of quality.