Smithsonian scientists and colleagues report a new study that may shake up the way palaeontologists think about how environmental change shapes life on Earth. The researchers summarised…
Plant and animal diseases can play a major and poorly appreciated role in allowing the invasion of exotic species, which in turn often threatens biodiversity, ecological function and…
Whip spiders, considered by many to be creepy-crawly, are giving new meaning to the term touchy-feely. In two species of whip spiders, or amblypygids, mothers caress their young with…
Why do some birds fly thousands of miles back and forth between breeding and non-breeding areas every year whereas others never travel at all? One textbook explanation suggests either…
Wood is formed from secondary xylem tissue consisting of cells with a heavily thickened secondary cell wall that is enriched in lignin and cellulose. In contrast, primary cell walls…
Scientists at the University of Illinois have conducted a genetic analysis of vespid wasps that revises the vespid family tree and challenges long-held views about how the wasps social…
A new genus of millipede was recently discovered by a Northern Arizona University doctoral student and a Bureau of Land Management researcher. J. Judson Wynne, with the Department of…