WHY are some lakes pink?

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EVER wondered why some lakes look like strawberry milkshake? Does it give you an eerie feeling to take a dip in those lakes? Worry not, because the pink hue is caused by nothing harmful but salt-loving microorganisms that can survive in these lakes, which are particularly known for their high salinity level. In some pink lakes, with adequate light and heat, the halophilic green microalgae, Dunaliella salina, produces carotenoid, a reddish-pink pigment that contributes to the characteristic shades of pink.

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The Petri Dish is malaysia’s first dedicated science newspaper. Through The Petri Dish we aim to engage the public on the latest developments on biotechnology.