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Scientific community/Education

Fact-based conclusions and value-based judgments are both important aspects of science, but a clearer awareness of their differences can help scientists engage with a skeptical public, William Press said at the annual William D. Carey lecture.

Helium-3—a variation of the helium used in balloons—can reduce temperatures to nearly absolute zero, provide non-radioactive medical lung imaging, and detect neutrons emanating from smuggled nuclear devices. It may even be an element of a clean energy source. For decades, this non-toxic and non-corrosive gas has been in adequate supply, but now that supply is dwindling just as demand is rising dramatically.