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Yearly Archives: 2019

A Desmoceras fossil. A cephalopod that thrived in the early Cretaceous, 146 to 100 million years ago. Note the fossilized biomineral nacre or mother of pearl. Credit: Pupa Gilbert

Making biominerals: Nature’s recipe is old, evolved more than once

Fig. 1. 10 million-year-old fossil frog from Libros, Spain and X-ray map showing elevated levels of copper and zinc in the internal organs. Fossil photograph copyright the Natural History Museum, London. X-ray fluorescence map. Credit: Valentina Rossi

Scientists discover new way to reconstruct what extinct animals looked like

Obsidian Rock

Obsidian : What is obsidian? Why obsidian is black?

Diamonds from the Juina area: most of these are superdeep diamonds. Credit: Graham Pearson

Superdeep diamonds confirm ancient reservoir deep under Earth’s surface

Head posture if the lateral (horizontal) semi-circular canal is parallel to the ground, in hatching (A), juvenile (B) and adult (C) Psittacosaurus lutjiatunensis. Images not to scale. Credit: Claire Bullar and IVPP.

Dinosaur brains from baby to adult

Microscopic eggs of fish tapeworm (left), giant kidney worm (centre), and Echinostoma worm (right) from the Must Farm excavation. Black scale bar represents 20 micrometres. Credit: Marissa Ledger

Ancient feces reveal how ‘marsh diet’ left Bronze Age Fen folk...

Magnified sand grains Sand that is magnified up to 300 times

Magnified Sand : Magnified Photos Shows How Sand Looks like

Anak Krakatau in Lampung, Indonesia, in 2018

Jurassic world of volcanoes found in central Australia

The 21 shocked and unshocked zircon crystals dated in this study were separated from this ~30 cubic centimeters of unconsolidated late Eocene sediment obtained from Ocean Drilling Project site 1073, hole A. Credit: Biren/ASU

Researchers study largest impact crater in the US, buried for 35...

An example of a Pallasite meteorite (from the Esquel fall) on display in the Vale Inco Limited Gallery of Minerals at the Royal Ontario Museum.

Meteorite strikes made life on Earth possible

Canterbury Museum researcher Vanesa De Pietri (L) said the discovery reinforces the theory that penguins attained great size early in their evolution

Giant penguin fossil found in New Zealand

The Dom Pedro aquamarine obelisk by gem sculptor Bernd Munsteiner

Aquamarine : The World’s Largest Aquamarine Gem – Dom Pedro Aquamarine

Reconstructions of lycopsid trees (Guangdedendron micrum). Left: juvenile plant. Right: adult plant. Credit: Zhenzhen Deng

Researchers discover oldest fossil forest in Asia

Depictions of large asteroids striking Earth, which, during parts of its early history, would have had a much thicker atmosphere than it does today. Credits: NASA with modifications by Stephen Mojzsis

A new timeline of Earth’s cataclysmic past

Jesse leaning against the fresh fault scarp of the Kekerengu fault, next to some of the curved slickenlines. Credit: Professor Tim Little

Rock scratches hint at future quakes

The 23-million-year-old bones of the newly-discovered giant, Simbakubwa kutokaafrika, had been left for nearly 40 years in a drawer

Hidden mysteries lie in wait inside Kenya’s fossil treasury

A diagrammatic representation of the Earth in the Archaean showing subducted ocean floor carrying its chemical signature into the deep mantle. The signature which includes water and chlorine is preserved in melt inclusions contained within olivine and carried back up to surface within komatiite lava flows.

Ancient drop of water rewrites Earth’s history

An electron scanning microscope picture of an ash sample from a 55,500 years old ash layer in the NGRIP ice core. The ash shards are the larger pieces that look like broken glass. The colours are not true. The white bar at the bottom left represents 1/10 mm. Credit: University of Copenhagen

Synchronization of ice cores using volcanic ash layers

A flightless dinosaur called Similicaudipteryx uses its feathers in a mating display. U of A researchers looked at how such displays may have helped dinosaurs evolve feathers that eventually allowed them to fly. Credit: Sydney Mohr

Sex appeal helped dinosaurs take flight

Ngwevu intloko skull. Credit: Kimberley Chapelle

New species of early dinosaur described from South Africa

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