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tag carbon dating ecology evolution

Three researchers with headlamps on stand around a loggerhead turtle on the beach while a man covers the turtle's face with a gloved hand
Tiny Hitchhikers Reveal Turtles’ Movements and Foraging Ecology
Amanda Heidt | Jul 13, 2021 | 7 min read
Microscopic creatures called epibionts that live on sea turtles’ shells can help researchers understand their secretive lives.
Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists
Are We in the Midst of a Sixth Mass Extinction?
Katarina Zimmer | Jul 18, 2022 | 10+ min read
Today’s extinction rates are sky-high. But scientists debate if that’s sufficient evidence to conclude that Earth is undergoing a mass extinction event—or whether that’s even a helpful designation.
Short Shrift to Evolution?
Barry Palevitz and Ricki Lewis | Feb 1, 1999 | 7 min read
Editor's Note: In this essay, the authors--both scientists and writers--discuss recent news stories on evolution and express their opinions on how the stories were handled by the mainstream press. Evolution took center stage at the National Association of Biology Teachers (NABT) annual meeting in Reno, Nev., Nov. 3-8, 1998. If the teachers needed a theme, evolution was a logical choice--after all, it underlies and unifies contemporary biology. But NABT had other fish to fry. Despite a spate of c
Calcite crystals covered in small grains of pyrite, with pincers
Signs of Ancient Microbial Life Abundant in Earth’s Crust: Study
Catherine Offord | Jun 3, 2021 | 5 min read
Researchers report chemical and molecular signatures of microbial activity from millions of years ago in mineral samples from abandoned mines in Sweden and nearby countries.
Restored Corals Spawn Hope for Reefs Worldwide
Hanna R. Koch, Erinn Muller, and Michael P. Crosby | Feb 1, 2021 | 10+ min read
Novel technologies establish a new paradigm for global coral reef restoration, with in situ spawning of mature, environmentally resilient corals in five years instead of decades.
A fishing cat with a fish in its mouth
Genome Spotlight: Fishing cat (Prionailurus viverrinus)
Christie Wilcox, PhD | Dec 22, 2022 | 5 min read
A high-quality reference genome for this vulnerable feline may help scientists understand why they’re so prone to transitional cell carcinoma in captivity.
XVI International Botanical Congress: The Shroud of Turin Controversy Returns
Ricki Lewis | Sep 12, 1999 | 8 min read
Courtesy of Alan Whanger Facial image of the Man of the Shroud surrounded by "the ghost of flowers past." The topic of the last press conference on Monday, August 2, at the XVI International Botanical Congress in St. Louis seemed to have a nice mix of classical scientific observation, image analysis, and palynology (pollen identification), as well as great historical interest. A team led by Avinoam Danin, a professor of evolution, systematics, and ecology at the Hebrew University of Jerusalem
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Steal My Sunshine
David Smith | Jan 1, 2013 | 10+ min read
How photosynthetic organisms get taken up, passed around, and discarded throughout the eukaryotic domain
Articles Alert
Peter Moore | Mar 18, 1990 | 7 min read
Author: PETER D. MOORE Department of Biology King's College London, U.K. Analyses of lake sediments in Panama have provided evidence of the earliest recorded human impact on the forest environment of Central America. In layers dating to 11,000 years ago, there is a sudden appearance of carbon, together with phytoliths of weed species, such as Heliconia. These features indicate the onset of disturbed conditions that may well have been caused by human management of the contemporaneous low biomas

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