Your doctor may want to take a sample of the pancreatic cyst fluid to determine if cancer cells are present.

CNN: Pancreatic cysts

OSIRIS-REx will visit an asteroid called 1999 RQ36, take a sample of at least 2.1 ounces and bring it back to Earth.

CNN: So, about that asteroid near Earth ...

"The man in Canada has a diagnosed medical condition and we need the permission of those treating him to take a DNA sample - to do this we are seeking the assistance of the Canadian authorities, " said Det Supt Langley.

BBC: News | UK | Murder hunt heads for Canada

Take a tour to learn about the different parts of the milling process, then sample the baked delights in the onsite cafe.

BBC: The sophisticated flavours of rural Wales

If your weekend away will take you through airport security, you are well aware of the TSA rules on tiny, sample-sized products.

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