nucleus

Example Sentences

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"Targeting the brain with drugs is tricky because they act on the entire brain and not a selected region such as the parafacial nucleus," says Paton.

From Science Daily • Mar. 22, 2026

All the matter around us -- including the protons and neutrons that make up the nucleus of atoms -- are made of baryons.

From Barron's • Mar. 17, 2026

The energy needed to separate two neutrons from the nucleus is extremely small, but in this experiment it was large enough to measure.

From Science Daily • Mar. 13, 2026

Along this pathway across the nuclide chart, a common sequence involves beta decay of the parent nucleus followed by the release of two neutrons.

From Science Daily • Mar. 13, 2026

But an impact with a large comet, such as Hailey’s Comet, whose nucleus is perhaps twenty kilometers across, should occur only about once every billion years.

From "Cosmos" by Carl Sagan