Preconditions for life already present 3.5 billion years ago

Microbial life already had the necessary conditions to exist on our planet 3.5 billion years ago. This was the conclusion reached by a research team after studying microscopic fluid inclusions in barium sulfate (barite) from ...

New universal carrier ink for 3-D printing

Researchers at ETH have produced a gel from cellulose fibers and biodegradable nanoparticles that liquefies when pressed through the nozzle of a 3-D printer, but then quickly returns to its original shape. Their invention ...

Impact of sea smell overestimated by present climate models

Leipzig. The formation of sulfur dioxide from the oxidation of dimethyl sulfide (DMS) and, thus, of cooling clouds over the oceans seems to be overvalued in current climate models. This concludes scientists from the Leibniz ...

A new phase in cellular communication

(Phys.org)—In many physical processes, substances undergo phase transitions, where they are transformed from one state (solid, liquid, or gas) to another. Wiskott-Aldrich Syndrome Proteins (WASP) function as intracellular ...

First description of a triple DNA helix in a vacuum

A team of researchers at the Institute for Research in Biomedicine (IRB Barcelona) and the Barcelona Supercomputing Center (BSC) have managed for the first time to extract trustworthy structural information from a triple ...

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