The unanswered question in the article is, “How did the genes develop in the first place?”
“Why is there something rather than nothing?”
At Quanta: Without a good definition of life, how do we look for it on alien planets? Steven Strogatz speaks with Robert Hazen, a mineralogist and astrobiologist, and Sheref Mansy, a chemist, to learn more.
Jeremy England: “You start with a random clump of atoms, and if you shine light on it for long enough, it should not be so surprising that you get a plant,” England said.
Researchers found that, “choanoflagellates made protein precursors of two mature neuropeptides, phoenixin and nesfatin.”
Observations of faraway planets have forced a near-total rewrite of the story of how our solar system came to be.
The second law of thermodynamics is among the most sacred in all of science, but it has always rested on 19th century arguments about probability. New arguments trace its true source to the flows of quantum information.
At Quanta: “Genomes hold immense quantities of noncoding DNA. Some of it is essential for life, some seems useless, and some has its own agenda.”