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Video: Preparing Smile for space

Before Smile can begin studying how Earth responds to the streams of particles and bursts of radiation from the sun, the spacecraft had to complete an extraordinary journey here on Earth. Go to Source

The structure of water: Entropy determines whether ions stick

Water molecules do not simply swirl around in complete disorder; they can form certain preferred structures. This scientific fact is often presented in entirely unscientific ways. For example, when people speak of an alleged “memory of water” or of...