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An analysis of tooth enamel from animals that roamed the western United States about 150 million years ago, including (from left) Allosaurus, Apatosaurus, a herd of Diplodocus and two Camptosaurus, ...
Jurassic dinosaurs ate different plant parts, allowing them to share habitats. Tooth chemistry proves their dietary ...
By examining how electrons behave in calcium isotopes, they hope to find the fingerprints of something new—a clue that might extend the boundaries of modern physics.
The Gulf of Maine—home to commercial fisheries for oysters, clams and mussels—has unexpectedly avoided an increase in ...
The periodic table is one of the triumphs of science. Even before certain elements had been discovered, this chart could ...
Diana Thatcher, an Iowa State lecturer and researcher in earth, atmosphere and climate, collects clam specimens during a June ...
Calcium isotope geochemistry examines the subtle variations in the 44Ca/40Ca ratio within geological, biological and environmental systems. These variations, expressed as δ44/40Ca values relative ...
Scientists studied the annual bands built by crustose coralline algae to help determine a history of seawater chemistry in ...
Complexes containing hydroxide, water and dinitrogen ligands detected as researchers probe chemistry on the edge of the ...
Mineral cave deposits from northern Siberia show that the region was permafrost free during the late Miocene period, when ...
The periodic table is one of the triumphs of science. Even before certain elements had been discovered, this chart could successfully predict their masses, densities, how they would link up with other ...
The history of the aqueduct system in Arles has been deciphered through the analyses of carbonate fragments. Researchers from ...
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