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Sep. 27, 2022 — Scientists have discovered that a well-preserved fossilized worm dating from 518 million years ago resembles the ancestor of three major groups of living animals. Measuring half-an-inch long, the ...
Nov. 2, 2022 — An exceptionally well-preserved collection of fossils discovered in eastern Yunnan Province, China, has enabled scientists to solve a centuries-old riddle in the evolution of life on earth, revealing ...
July 1, 2022 — Using high quality molecular data, researchers have re-investigated a long-standing question about the position of two phyla of small aquatic invertebrates -- Kamptozoa and Bryozoa -- on the ...
May 26, 2022 — Even the smallest marine invertebrates -- some barely larger than single-celled protists -- are home to distinct and diverse microbial communities, or microbiomes, according to biologists. The study ...
Dec. 7, 2023 — Paleontologists are getting a glimpse at life over a billion years in the past based on chemical traces in ancient rocks and the genetics of living animals. New research combines geology and ...
Nov. 22, 2023 — A research team shows how the expression of developmental genes in the Japanese green syllid worms, Megasyllis nipponica, helps form their swimming reproductive unit called ...
Apr. 30, 2021 — The marine worm Ramisyllis multicaudata is one of only two such species possessing a branching body, with one head and multiple posterior ends. The researchers discovered that the complex body of ...
July 8, 2022 — Scientists revealed new research based on a cache of fossils that contains the brain and nervous system of a half-billion-year-old marine predator from the Burgess Shale called Stanleycaris. ...
June 21, 2023 — In nature, smaller animals often attach themselves to larger ones to 'hitch a ride' and save energy migrating large distances. Researchers show how microscopic Caenorhabditis elegans worms ...
Dec. 29, 2020 — Thanks to the marine worm Platynereis dumerilii, an animal whose genes have evolved very slowly, scientists have shown that while haemoglobin appeared independently in several species, it actually ...
