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3 results for “r-process nucleosynthesis” in Science
Science · 10 August 2026
Where Gold Actually Comes From
…usion — building nuclei heavier than iron consumes energy rather than releasing it. · The r-process, a rapid burst of neutron capture, is the accepted route, and neutron star mergers are the best-evidenced site for it. · Almost all of the gold present when Earth formed sank into…
Tomas Herrera · 18 min read
Science · 8 August 2026
The Metal That Went Medical
Divide gold finely enough and it stops being gold-coloured, stops being inert in the way you expect, and starts doing work in places no bullion bar could reach — including the test strip that told you…
Amara Okonjo · 15 min read
Science · 9 August 2026
The Metallurgy of Karat
Pure gold is too soft to hold a stone, too soft to hold an edge, and the wrong colour for half the world's taste. Almost everything you own that is gold is a designed alloy — and the design is where t…
Tomas Herrera · 16 min read
