Primate hand preference strength but not direction (left vs. right) generally reflects phylogeny and ecology at species level, but human handedness deviates markedly from all other species.
Paul C Sereno, Nathan Myhrvold ... Lauren L Conroy
A digital flesh model of the sail-backed dinosaur Spinosaurus was tested and performed very poorly in water, favoring the view of this dinosaur as a two-legged, wading ambush predator of large fish in shallow waterways and not an aquatic dinosaur.
Strains of the bacterium Pseudomonas aeruginosa that use secondary metabolism to make surfactants and change the surface tension of the liquid that surrounds them do so only if they can first meet their primary metabolic needs.
By spending more time around infants which physically resemble their own, mandrill mothers may increase how frequently their offspring interact with their paternal half siblings.
Vishhvaan Gopalakrishnan, Dena Crozier ... Jacob G Scott
The EVolutionary biorEactor (EVE) can be built for less than $200, and can be used to evaluate microbial population dynamics in the lab and to teach evolution in high schools.
A shift in fitness optimum of a polygenic trait rapidly introduces small frequency differences between alleles with effects aligned with and opposing the shift, which gradually translate into small differences in fixation probability.
Callie R Chappell, Manpreet K Dhami ... Tadashi Fukami
Analysis of microbial communities in floral nectar shows that it is possible to identify an overarching factor that governs the eco-evolutionary dynamics of priority effects across multiple levels of biological organization.
Andrea S Meseguer, Alice Michel ... Fabien L Condamine
Neotropical outstanding biodiversity emerged from sustained rates of species accumulation over time, although, for some periods, tetrapods were less successful than plants in keeping pace with a changing environment.
