PASADENA, Calif.—All animals seem to have ways of exchanging information—monkeys vocalize complex messages, ants create scent trails to food, and fireflies light up their bellies to attract mates. Yet, despite the fact that nematodes, or roundworms, are among the most abundant animals on the planet, little is known about the way they network. Now, research led by California Institute of Technology (Caltech) biologists has shown that a wide range of nematodes communicate using a recently discovered class of chemical cues.
Exactly how animals separate the smells of objects of interest, such as food sources or the scent of predators, from background information has remained largely unknown. Even the extent to which animals can make such distinctions, a... Read Post
Across the land on Valentine's Day, lovers and partners exchange gifts. They're not alone. Many animals give gifts, too, and in some ways they're not so very different from us. From firefly spermatophores to bowerbird dens to the lo... Read Post
Male worms plug females after copulation as a form of 'gift', rather than to prevent them from mating again, as had previously been thought. Researchers found that plugged females mated just as often and were just as attractive as t... Read Post