Quite breathtaking, even if you've already seen the video.

Four researchers at the Department of Food Science spent more than 1,000 hours testing 700 variations on the traditional bacon sandwich. They tried different types and cuts of bacon, cooking techniques, types of oil and a range of cooking times at different temperatures.

This is science to get behind.

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Long story short: two mutations allowed the virus to take hold in the upper respiratory tract, making it easy both to get infected and infect others.

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