Thirty years covering
Mars exploration and planetary science.
Mars Daily has been reporting since 1995. Browse the full archive below by year and month, or jump to a beat: Mars Daily.
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A six-year-old Norwegian boy found a 1,200-year-old iron sword while collecting rocks for a school craft project
In 1952, Alfred Hershey and Martha Chase put a kitchen Waring blender to work at Cold Spring Harbor, spinning virus-infected bacteria fast enough to shear off the protein coats while leaving the injected DNA inside, and settled a decades-long argument by showing that genes are made of nucleic acid, not protein
Mars’s atmosphere gives sound two effective speeds, divided at about 240 hertz—just below middle C. Perseverance measured low tones travelling at roughly 240 metres per second and higher tones at about 250, meaning the treble can arrive before the bass.
How did a Central American country smaller than West Virginia go from one of the worst deforestation rates on Earth in the 1980s to doubling its forest cover in a single generation?
