Scientists find the molecule that delivers itchiness signals to the brain via a dedicated, and previously unknown, neural pathway.
Scientists find the molecule that delivers itchiness signals to the brain via a dedicated, and previously unknown, neural pathway.
A sequencing study suggests that some genes have evolved in parallel in humans and their canine companions, likely as a result of shared selection pressures.
Two new fossils of ancient primates shed light on the divergence of apes and Old World monkeys.
Researchers track DNA modifications and gene expression in stem cells as they differentiate.
What researchers are learning as they sequence, map, and decode species’ genomes
In Chapter 4, “Darwin’s Barnacles, Agassiz’s Jellyfish,” author Christoph Irmscher describes his subject’s obsession with marine organisms.
Alfred Russel Wallace, Darwin’s unheralded codiscoverer of the theory of evolution by natural selection, found inspiration in the specimens he collected on his travels.
American naturalist Louis Agassiz had a zeal for collecting that encouraged a nation to engage with nature.
Better health care in Gambian villages lead to flip-flopping selection pressures on height and weight.