What causes the sunlight flavour in milk?

Most of us have tasted milk that has been left in the sun – it has a distinctive off-flavour. The reason is that milk and other dairy products turn rancid when exposed to light.

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

Why do cyclists run red lights?

Almost 40 per cent of cyclists have reported committing red light infringements, but fines should only be part of the strategy to improve safety, according to new research.

Ticket's in the mail: Red-light cameras questioned

(AP) -- Minutes after Neel Manglik illegally turned right on a red light in the Des Moines suburb of Clive, a video popped up on a computer at an office park outside Scottsdale, Ariz.

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