In September 1952, Alfred Hershey and Martha Chase used a Waring blender, radioactive phosphorus and sulphur, and a bacterial virus to prove that DNA — not protein — carries the instructions for life. Seven months later, Watson and Crick had the double helix.
A single family of beavers reintroduced to a Devon valley raised the water table by more than a metre within a decade and locked carbon into pond sediments faster per hectare than the surrounding oak woods. The mechanism is stepped dams, saturated floodplains, and anoxic mud.
GPS satellites at 20,200 kilometres altitude gain 38 microseconds per day because Earth's weaker gravity makes their atomic clocks tick faster — a relativistic correction engineered in before launch that keeps satellite navigation from drifting 10 kilometres off course every 24 hours.
On 30 October 1961, the Soviet Union detonated a 50-megaton hydrogen bomb over Novaya Zemlya — a mushroom cloud that climbed 64 kilometres and a flash visible 1,000 kilometres away. More than six decades later, Tsar Bomba is still the largest explosion humans have ever produced.
The tiny Mediterranean jellyfish Turritopsis dohrnii can reverse its own life cycle — dissolving its adult body and reassembling as a juvenile polyp when injured or starving. A look at the biology of the only known animal that can, in principle, live forever.
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SpaceWar is an independent publication covering military space, nuclear strategy, great-power competition, defense technology, and the security forces shaping modern conflict. The site pairs a deep archive with current reporting on the governments, companies, policy shifts, and technical breakthroughs shaping defense, deterrence, and global security. We employ modern AI technologies to support our editorial workflows; every published piece is editorially directed and reviewed.
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