Six of the Best 625

The sugar industry in the USA paid scientists in the 1960s to downplay the link between sugar and heart disease and promote saturated fat as the culprit. Anahad O'Connor on a scandal revealed by newly released documents.

Pedro C. Magalhães and Besir Ceka say the meaning of democracy changes for Europeans depending on their education status, income and nationality.

The largest producer of IQ tests in Britain after the Second World War was an early advocate of comprehensive schools. James Thompson tells the story.

"It envisioned an era where an American worked alongside a Russian, and a black woman was in a position of leadership. Humans had eliminated war and were united in a peaceful mission of exploration." Ali Mattu celebrates Star Trek's 50th birthday.

Alwyn Turner introduces us to A.G. Macdonell, author of England, Their England and unsuccessful Liberal candidate.

"These vast and abstract concrete structures, shaped like satellites and turned up to the skies as if they were searching for extraterrestrial life, were erected on areas of the coast that were thought to be key locations in any future air defence plan." Christo Hall shows us the sound mirrors of the Kent coast.