A The Hippocratic Oath.

Named after the Greek philosopher Hippocrates, there is no evidence that he actually wrote it. According to PBS, most graduating medical school students swear to some form of the oath. In 1928, only 24 percent of US medical schools administered the oath - these days it is nearly 100 percent.

While there is the classic oath, most medical schools have their own versions.

A Columbia, Challenger, Discovery, Atlantis, and Endeavour.

Six shuttles were capable of flight. The first of these, Enterprise, was used for testing purposes and never entered space.

Columbia was the first to enter space in 1981, and completed 26 missions until it disintegrated while reentering the atmosphere in 2003.

Challenger was second, starting service in 1983 and completed 10 missions before it disintegrated one minute after take-off in 1986.

Discovery flew 39 missions between 1984 and 2011, while Atlantis clocked up 33 between 1985 and 2011.

Endeavour was built as Challenger '​s replacement, and was first launched in 1992, completing 25 missions before retiring in 2012.

In geological terms, Japan is a stratovolcanic archipelago. It is made up of 6852 islands; the four largest make up 97 percent of its land mass and are called Honshu, Hokkaido, Kyushu and Shikoku.

A Sodium bicarbonate

Baking soda is used as a rising agent in baking. Potassium bicarbonate is also used as a rising agent, but only in commercial baking. Bicarbonate of soda is another name for baking soda, and sodium chloride is common table salt.

A 14

They were:

• 1953 Casino Royale
• 1954 Live and Let Die
• 1955 Moonraker
• 1956 Diamonds Are Forever
• 1957 From Russia, with Love
• 1958 Dr. No
• 1959 Goldfinger
• 1960 For Your Eyes Only (short stories)
• 1961 Thunderball
• 1962 The Spy Who Loved Me
• 1963 On Her Majesty's Secret Service
• 1964 You Only Live Twice
• 1965 The Man with the Golden Gun
• 1966 Octopussy and The Living Daylights (short stories)

After Fleming's death, the series was continued by a number of writers.

A Milli Vanilli

Milli Vanilli were very popular in the late 1980s, but a technical failure at the Grammy Awards revealed that the artists were lip-syncing. An investigation found that they did not sing the lead vocals on the record, and their Grammy Award for Best New Artist (on 21 February 1990) was withdrawn.

A Sweetness, sourness, saltiness, bitterness, umami

The last of these, umami, was only recognised as a basic taste relatively recently. It can be described as a brothy or meaty taste, and like the other tastes is only palatable with a narrow concentration range, or in the presence of a complimentary aroma.

A 1 April 2004

Having been announced on 1 April, and promising one gigabyte of free storage, many people thought it was a hoax. It wasn't.

A Poverty, chastity, and obedience.

During ordination, priests who belong to a religious order (Benedictine, Dominicans, Franciscans etc) take these vows. Diocesan priests make only two promises: celibacy and obedience.

A It is a solid

Glass is an amorphous solid.

This detailed explanation says that, "Structurally, glasses are similar to liquids, but that doesn't mean they are liquid. It is possible that the "glass is a liquid" urban legend originated with a misreading of a German treatise on glass thermodynamics."