Teeth of a large dinosaur, possibly Metriacanthosauridae, from the Liuhuanggou site in the southern Junggar basin. Scale: 1 cm. Credit: University of Tübingen

Tooth marks and lost teeth offer insights into dinosaur feeding behavior

Chrysoberyl

Chrysoberyl : One of the world’s most expensive Gemstone

The fluid inclusions inside the olivine contain nanodiamonds, apart from serpentine, magnetite, metallic silicon and pure methane. Credit: University of Barcelona

Natural nanodiamonds in oceanic rocks

Photo of a glendonite. Credit: Bo Schultz

Volcanic eruptions may explain Denmark’s giant mystery crystals

The origin of endothermy in synapsids, including the ancestors of mammals. The diagram shows the evolution of main groups through the Triassic, and the scale from blue to red is a measure of the degree of warm-bloodedness reconstructed based on different indicators of bone structure and anatomy. Credit: Mike Benton, University of Bristol. Animal images are by Nobu Tamura, Wikimedia

World’s greatest mass extinction triggered switch to warm-bloodedness

Reconstruction of Morganucodon (left) and Kuehneotherium (right) hunting in Early Jurassic Wales 200 million years ago. Credit: Original painting by John Sibbick, 2013. Copyright: Pam Gill

Ancient tiny teeth reveal first mammals lived more like reptiles

An artist's impression of Leptostomia begaaensis Credit: Megan Jacobs, University of Portsmouth

Beak bone reveals pterosaur like no other

Researchers discover fossils of new species in Arizona

Brazilian emeralds in a quartz-pegmatite matrix. (Photo courtesy of Madereugeneandrew/Wikimedia Commons)

Earth grows fine gems in minutes

A sample of pebbly rock that U of A researchers took from an outcrop in Nunavut. The rock was found to contain both gold and diamonds—a rare combination similar to that found in the world's richest gold deposit in South Africa. (Photo: Supplied)

Diamonds found with gold in Canada’s Far North offer clues to...

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