The deep sea is a unique ‘evolutionary engine’ with one of the richest and most unexplored sources of genetic diversity on Earth, according to a major new study that has assessed its potential to transform biotechnology and DNA sequencing technologies.

To the point:

Fruit first, fancy footwork later: A new study finds the courtship dances of the manakins – one of the most charismatic groups of birds on Earth – trace back to changes deep in their ancestry and may be linked to their fruit-rich diet.

Same answer, different routes: Manakins re-evolved a sense of sweet taste, as hummingbirds, songbirds and woodpeckers each did separately, by repurposing the receptor for savory taste.

Genome-enabled discovery: Manakins are one of the most intensively-studied groups of birds: this first set of genomes provides resources to the community to explore the genomic changes underlying their unique behaviors and physiologies.

When comparing different types of antifouling paints against fouling on leisure boats, the results were the opposite of what many would expect. Of the paints tested, the biocide-free silicone paint worked best, and the paint marketed as environmentally friendly turned out to be extremely toxic. The study, led by Chalmers University of Technology in Sweden, was conducted in Swedish, Danish and French coastal waters, and also showed that coatings with a low copper content can be just as effective as those containing more copper.

Why do some bird songs endure for generations while others fade away? An FAU study suggests the answer may lie in the landscape itself. Researchers found that the most common songs of Bachman’s sparrows travel through natural habitats with greater clarity than rarer songs, raising the possibility that environmental acoustics help shape which vocal traditions are learned, shared and passed down over time.

Fear learning is a key adaptive mechanism, but its links to the immune system remain unclear, especially in people with childhood maltreatment. This study examined whether the type and timing of childhood abuse and neglect influence the relationship between brain function during fear learning and inflammation. Data were collected from 128 adults, including inflammatory markers (IL-8, IL-17) and fMRI brain scans during a fear conditioning task. Results revealed that the type and timing of childhood maltreatment differentially moderate associations between fear-related brain activity, functional connectivity, and inflammatory levels. These findings help explain how early adversity increases long-term health risks by altering neural-immune interactions.