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Kelly and Zach Weinersmith join us to discuss their book A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?
A screen utilizing an environmental DNA library in Escherichia coli is used to identify Brig1, a previously unknown anti-phage defence system with homologues across distinct clades of bacteria.
Genomic studies of Heliconius butterflies provide evidence that Heliconius elevatus is a hybrid species, and that its speciation was driven by introgression of traits from Heliconius melpomene into the other parent, an ancestor of Heliconius pardalinus.
We propose a model for a sequential, multistep activation mechanism of metabotropic glutamate receptor subtype 5, including a series of structures in lipid nanodiscs, from inactive to fully active, with agonist-bound intermediate states.
Analysis of projected sub-national damages from temperature and precipitation show an income reduction of 19% of the world economy within the next 26 years independent of future emission choices.
Challenging the belief that sympathetic ganglia are an innovation of jawed vertebrates, a study reports the presence of sympathetic neurons in an extant jawless vertebrate, the sea lamprey Petromyzon marinus.