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Human Taste Buds Can Tell The Difference Between Normal And ‘Heavy’ Water – ScienceAlert

This may come as a bit of a shocker, but technically speaking, not all water on Earth is made up of H2O molecules.

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This may come as a bit of a shocker, but technically speaking, not all water on Earth is made up of H2O molecules.
Less than a century ago, the discovery of the hydrogen isotope deuterium  2H, but often simplified to D revealed the existence of another kind of water with the chemical formula 2H2O or simply D2O.
Here’s how they differ. A typical hydrogen atom contains one proton within its nucleus. The deuterium isotope, however, has a neutron in addition to the proton, giving the hydrogen atom a…

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