First Pass

4 stories from 3 sources

Sunday, June 21, 2026

Day’s Recap is unavailable for this topic and date. Feel free to go through our curated list of stories below.

Other Developments

A curated list of other prominent stories from this day.

The first report of superconductivity at 35 kelvin triggered decades of materials research and opened an enduring question about what mechanism produces superconductivity in these compounds. The piece traces how that initial result reshaped the field and why the core puzzle remains unresolved.

8:00 PMNature

Two teams have demonstrated the first working “nuclear clocks,” timekeepers that use a transition in an atomic nucleus rather than an electron transition. The results mark a long-sought proof that nuclear-based time standards can be built and made to tick.

8:00 PMNature

Lakes across North America and Europe are getting browner, cutting underwater visibility and shifting fish communities. Data link darker waters to declines in trout, bass, perch, and whitefish, while walleye and northern pike often increase because they hunt better in low light.

9:40 AMScienceDaily

Europe is trying to rebuild independent access to space as the Ariane 6 program seeks to compete against SpaceX on cost and cadence. The effort is drawing support from Jeff Bezos-linked capabilities as Europe looks to reduce reliance on US launch providers.

12:00 AMFinancial Times

Make it yours

Build Your First Pass.

Pick your topics, set your cadence, and receive your personalized First Pass in your inbox. It’s that simple!