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Do women get cold more easily than men?Does a person's sex make a difference in how they react to temperature changes? Here's the science.
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Lab-made universal blood could revolutionize transfusions. Scientists just got one step closer to making it.Enzymes produced by gut bacteria can remove long sugar chains in type A and B blood, leading to improved compatibility with type O.
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Hummingbird hawk-moth: The bird-like insect with a giant sucking mouthpartJust as humans rely on their eyes to make precise movements with their hands, hummingbird hawk-moths use continuous visual feedback to precisely position their proboscis in the center of flowers.
