Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Extinction events, Impact events, Meteorites & Asteroids, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography

Did Impacts From Meteors Help Start Life On Earth?

Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells could take shape, according to research integrated by a recent Rutgers University […]

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Press Release

Early Life On Earth Relied On A Surprisingly Scarce Metal: Molybdenum

A new study from researchers at the University of Wisconsin–Madison shows that 3.4 billion years ago, life on Earth relied on a metal called molybdenum, despite its limited availability at […]

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Nanotechnology & SynBio, Origin & Evolution of Life, Press Release

Shedding Light On How Hydrogen Cyanide Formed On Early Earth

Manganese dioxide can convert amino acids into hydrogen cyanide (HCN) without requiring methane, solving a long-standing puzzle about the origin of this key prebiotic molecule on early Earth, as reported […]

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Origin & Evolution of Life, Press Release

Showing The Math For Earth’s First — And Sudden — Spark Of Life

Isolating the first spark of life on Earth is a matter of biology, geology, and chemistry — but it’s also an amazing math problem. At least, that’s how Varun Varanasi […]

Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Nanotechnology & SynBio, Origin & Evolution of Life, Press Release

Water Molecules Found To Actively Drive Gene Transcription ProcessUniversity of California – San Diego

Researchers have uncovered a previously hidden layer of complexity in how genes are activated, showing that water molecules play a direct and essential role in one of the most fundamental […]

Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Microbiology & Virology, Sample Return, Status Report

Evidence For Cable Bacteria Inhabiting Deep In Anoxic Sediment Reveals A Novel Ecological Niche

Background Cable bacteria are filamentous sulphide-oxidisers capable of cm-scale electron transport. They are generally considered restricted to the upper few oxic–suboxic cm of marine sediments, where they couple sulphide oxidation […]

Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography

The Master Molecule That Built Biology: How Water Shaped The Chemistry Of Life

The deep entanglement of biomolecular structure and function with aqueous systems supports the view that water actively sculpted both molecules and processes during the origins of life and continues to […]

Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Enceladus, Habitable Zones, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography

From Early Earth to Enceladus – Mineral Electrochemistry Could Drive Organic Synthesis

At some point in Earth’s history, chemistry transitioned from abiotic organic synthesis—the building of more complicated organic molecules from smaller ones by nonbiological means—to biochemistry.

Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography

Mineral-facilitated Aqueous Synthesis Of Hydrogen Cyanide From Prebiotically Abundant Amino Acids For Chemical Evolution

Recent advances in prebiotic chemistry suggest that hydrogen cyanide (HCN) serves as a fundamental precursor for nearly all essential biomolecules and protometabolic processes for life’s emergence.

Gift this article