The bilateral organism crawled on the seafloor, taking in organic matter at one end and dumping the remains out the other some 555 million years ago.
They’re not born pregnant like tribbles, but swamp wallabies routinely get pregnant while pregnant.
In an example of how sea noise can harm species, exposed shore crabs changed camouflaging color sluggishly and were slower to flee from simulated predators.
Studies on very old vegetation in the Amazon basin show active management hundreds of years ago on species such as Brazil nut and cocoa trees.
Increasing or decreasing the altitude of aircraft by a few thousand feet to avoid thin layers of humidity could make a major reduction to contrails’ contribution to climate change...
Art created by Australian Aboriginal people used organic carbon-free pigments, but wasp nests above or below the art can be used for radiocarbon dating that supplies boundaries for the age of artworks...
Ice cores from a Tibetan glacier reveal the first deposits of industrial revolution pollution, starting in layers dated to about 1780.
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food—even without training.
Neandertals ate clams and then modified the hard shells into tools for cutting and scraping.
Well more than 100 distinct sign languages exist worldwide, with each having features that made it possible for researchers to create an evolutionary tree of their lineages.
Human hair tested stronger than thicker fibers from elephants, boars and giraffes, providing clues to materials scientists hoping to make superstrong synthetic fibers.
Tiger moth species that contain bad-tasting and toxic compounds are nonchalant in the presence of bats, while edible moth species evade their predators.
Residents of an overwintering station in Antarctica provided linguists with evidence of the first small changes in speech that may signal the development of a new accent.
Recycled wastewater can be cleaner than bottled water, but people still avoid drinking it because of their disgust over its past condition.
Archaeologists working in the ancient city of Hierakonpolis discovered five ceramic vats containing residues consistent with brewing beer.
Researchers tracked thousands of individual ants to determine how they move in vast numbers without stumbling into gridlock.
In an analysis of chess and tennis matches, players rising in the rankings did better than expected against higher-ranked opponents and better than similarly ranked players who were not rising...
The phainopepla migrates from southern California to the desert Southwest to breed in the spring before flying to California coastal woodlands to do so again in summer.
The Saharan silver ant feeds on other insects that have died on the hot sands, which it traverses at breakneck (for an ant) speeds.
The Dsup protein protects DNA under conditions that create caustic free radical chemicals.