THYMIDINE is a specific precursor of deoxyribonucleic acid 1. The very low energy of tritium electrons permits precise localization on autoradiographs (within less than one micron on average ...

ACIDIC degradation has been widely used to determine the distribution of the pyrimidine nucleotides in deoxyribonucleic acids (DNA; I). Two main methods have been used; in one the DNA was treated ...

Paleontologists continue to find fossils that help revise our understanding of how dinosaurs did it Riley Black Science Correspondent The Tyrannosaurus at Spain’s Jurassic Museum of Asturias ...

Amino acids are the building blocks that make up protein sequences in living organisms. But this wasn’t just any eggshell; it was a fossil from a titanosaur, a giant herbivorous dinosaur that ...

All life on Earth is based on carbon and is built from organic compounds including the amino acids used to create proteins ...

For many years, it was widely believed that fossils no longer contained any original organic molecules as the fossilization ...

Liverpool researchers' discovery of collagen in fossilized bones could provide new insights into dinosaurs. For years, ...

The nearly two-and-a-half-minute trailer shines the spotlight on newcomers like Scarlett Johansson and a whole new cast of terrifying dinosaurs ... away from firing its acid-like venom at its ...

Dinosaur fossils discovered by paleontologists working with the University of Wisconsin-Madison have been determined to be the oldest-known fossils, presenting evidence that the species was in ...

Can you get organic compounds in a fossilized bone? There was a time we thought not, but a new study that used a novel ...

The structural hallmark of boronic acids is their boron atom, which exhibits the ability to form a tetrahedral coordination complex with various substrates. A key aspect of their chemistry is the ...

Scientists have made new discoveries about the origins of dinosaurs, suggesting they first emerged in dry, arid regions of Gondwana. Research published in Current Biology indicates that volcanic ...