Are You Lightest in the Morning? [Video]

Many people know (or at least, think they know) that we are lighter in the morning than at night. But HOW? Are we magically converting matter into weightless energy? Does it all evaporate away as water?

Veritasium found this puzzling and decided to look it up and set the science straight on this. He’s a bit long-winded, but he eventually gets there. Any biologists out there care to agree/disagree with his science?

[Via Veritasium on YouTube]

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