No need to shake the ketchup bottle!

Scientists in Boston have coated the inside of a bottle with a slippery surface so that all the ketchup slides out! The coating is a solid/liquid composite and can be made out of food-based materials which can be eaten!

 

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Vitamin D could reduce colds and flu

It has been found that vitamin D supplements can help protect against acute respiratory infections including colds and flu, as well as asthma attacks. This could also help to explain why colds and flu are less common in the summer, when levels of vitamin D are at their highest.