The science of discovery
Space · Earth · Science
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The 100 km Kármán line is a 1960 convention, the physics gives different answers depending on the question, and the band in dispute now has customers and weapons in it.
A visual search of ultra-deep VST mosaics found 47 dwarf-galaxy candidates where only four were catalogued, exposing both the power and the biases of by-eye discovery.
A German oceanographer's 1886 experiment in drift-tracking survived 132 years at sea to become the oldest message in a bottle ever recovered, its contents still legible and matching historical ship records.
The protective caps on human chromosomes shorten by 50 to 100 base pairs every time a cell divides, and once they run out the cell either sleeps forever or self-destructs. The same countdown that ages tissue is one of the body's strongest defences against cancer.
Two space powers deepen ties on everything from solar storms to lunar missions, signaling a shift toward shared responsibility for Earth's orbital environment.
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