Fish faces and lab benches: two quiet revolutions in how biology sees itself
Two new science threads, one asking how a fish picks its own kind out of a crowd, the other documenting six decades of work at the molecular-biology bench, are quietly redrawing what counts as evidence in the life sciences.
On 15 July 2026, New Scientist published a long-form explainer on a deceptively simple question, how do fish recognise others of their own species? The same day, Asimov Press editor Niko McCarty posted that a 455-page history of the molecular biology laboratory, more than six months in the making, was nearly finished and would ship with over 100 images.
The two pieces sit far apart on the biology map. One asks about cichlids, damselfish and sticklebacks in lakes and reef flats. The other inventories centrifuges, autoclaves and the work of people like Max Delbrück, Sydney Brenner and a long line of postdocs whose names rarely make press releases. Read together, they sketch something the science pages tend to miss: the field is being pushed, at once, by finer questions about animal perception and by a working-through of how the modern laboratory itself came to exist.
The recognition problem
The New Scientist explainer walks through a question that animates a generation of behavioural ecologists: how a fish, confronted with dozens of lookalike neighbours, picks out the ones it should mate with, fight with, or school beside. The answer, the magazine reports, is messier than a clean visual template would suggest. Colour, body shape, stripe pattern and motion cues all enter the calculation; in some species, chemical signals and even electric-field signatures round out the sensory mix.
The complication is that speciation in many fish lineages, cichlids in African rift lakes being the textbook case, has outrun the obvious cues. Closely related species often look nearly identical to a human observer, yet interbreed only rarely in the wild. Researchers cited in the piece are blunt: the visual system that evolution has built for recognition is operating with a richer input set than a textbook diagram suggests, and the fish are doing more computation than the old "species recognition is just pattern-matching" story allowed.
That has consequences beyond ichthyology. If the cues fish use are multimodal and context-dependent, then the rapid radiations in Lake Malawi and Lake Victoria, hundreds of species from a handful of ancestors, imply that recognition systems can evolve faster than morphology does. The biology is telling a different story than the phylogenies alone.
The lab, as artefact
The Asimov Press book, previewed by McCarty on X on 15 July 2026, takes a different cut at the same field. Where New Scientist looks outward at animals in water, McCarty and his collaborators look inward at the bench. The book documents the physical and intellectual scaffolding of molecular biology, the labs, the equipment, the reagents and the tacit craft, across roughly half a century.
The preview frames the project as an explicit correction. The standard histories of molecular biology, written by participants and their students, tend to organise themselves around ideas: the double helix, the genetic code, the operon, CRISPR. McCarty's project treats the laboratory as the primary unit of analysis. Which enzymes a lab had access to in 1962, which phage strains a postdoc could culture in 1978, which sequencing platforms arrived in which order at which universities, those details, the book argues, shaped what questions were even askable.
The running length, 455 pages with 100+ images, signals the ambition. The release is unfinished as of the 15 July post, but the preview makes clear the intent: a reference work for working scientists, not a glossy coffee-table history. McCarty has built a reputation with Asimov Press for this kind of thing, long, well-sourced explainers on the material substrate of contemporary biology.
Why the two stories rhyme
There is a thread. Both projects push back against a temptation in the life sciences to narrate progress as a story about ideas displacing ignorance. New Scientist's fish piece says: the cognition is more elaborate than the diagram. The Asimov Press book says: the science is more embodied than the lecture.
In both cases, the corrective involves looking at the thing itself, the behaving fish, the working bench, rather than the cleaned-up abstraction that survives in textbooks. The fish-cognition literature of the 1990s treated species recognition as a tidy perceptual filter, the kind of thing one could diagram with arrows from retina to brain to behaviour. The molecular-biology history most often taught in universities treats the field as a sequence of conceptual breakthroughs: Avery, Watson and Crick, Meselson and Stahl, the lac operon, recombinant DNA, PCR, CRISPR. Each correction, multimodal perception on one side, lab as material culture on the other, restores contingency to a story that had been smoothed over.
A reader who follows neither field closely might wonder why this matters. It matters because the dominant framings tend to shape what gets funded. If species recognition is a simple visual filter, the interesting research questions are about genes for pattern perception. If it is a multimodal computation embedded in a social context, the interesting questions are about ecological dynamics, neural integration and behavioural plasticity. If the molecular biology revolution happened because a few brilliant people had brilliant ideas, the lesson is to back the next brilliant person. If it happened because a particular kind of laboratory infrastructure matured in particular places at particular times, the lesson is about institutions, training pipelines and the public funding of long, unglamorous technical work.
What to watch
Both threads are open. The New Scientist explainer is a synthesis, not a new study, but the questions it raises are active in current behavioural-ecology labs; expect a steady stream of species-specific follow-ups over the next two years, particularly on the African cichlid radiations and on reef-fish communities where anthropogenic noise and warming water are scrambling the sensory environment fish evolved in.
The Asimov Press book, when it lands, will be a reference object rather than a news event. Watch the table of contents for which labs and which decades the authors chose to feature in depth; that selection will tell readers what counts, in their telling, as the canonical bench. McCarty's own commentary on Asimov Press over the past year has tilted heavily toward the material side of contemporary biology, sequencing-platform economics, antibody-reagent supply chains, AI-assisted image analysis, and the book looks likely to extend that line.
Neither piece, on its own, will move a market or change a vote. Read together, they are a small, useful reminder that the life sciences are in the middle of a long overdue accounting, with the animals, and with the rooms where the work gets done.
Desk note: Monexus frames these two threads as parallel correctives: one outward, at animal perception; one inward, at the bench. The wire has covered them separately; we read them as a single story about how biology is being re-grounded in the thing itself.