Search results for histological studies

Plants & Animals May 23, 2023

Newly described species of dome-headed dinosaur may have sported bristly headgear

If you look at enough dinosaur fossils, you'll see that their skulls sport an amazing variety of bony ornaments, ranging from the horns of Triceratops and the mohawk-like crests of hadrosaurs to the bumps and knobs covering ...

Bio & Medicine May 17, 2023

Titanium dioxide: E171 first enters the blood via the mouth

E171, a food additive, has been used until recently as a whitening and opacifying agent in many products such as pastries, sweets, sauces and ice cream. It is composed of micro- and nanoparticles of titanium dioxide, or TiO2.

Paleontology & Fossils May 12, 2023

These giant 'drop bears' with opposable thumbs once scaled trees in Australia. But how did they grow so huge?

Although long dead, fossil skeletons provide an incredible window into the lifestyle and environment of an extinct animal.

Plants & Animals Apr 24, 2023

A dual symbiosis supports cuticle formation in wood-feeding beetles

Beetles usually rely on the help of bacterial partners to survive. These symbioses can have different functions. Bacterial symbionts may help digest plant material, make the beetles more resistant to plant defenses, or provide ...

Cell & Microbiology Mar 28, 2023

Skin-on-a-chip: Modeling an innervated epidermal-like layer on a microfluidic chip

Bioengineers and tissue engineers intend to reconstruct skin equivalents with physiologically relevant cellular and matrix architectures for basic research and industrial applications. Skin pathophysiology depends on skin-nerve ...

Bio & Medicine Feb 14, 2023

3D plasmonic coral nanoarchitecture for cancer diagnosis using urine

A research team led by Dr. Ho Sang Jung of the Surface & Nano Materials Division of the Korea Institute of Materials Science (KIMS), a research institute under the Ministry of Science and ICT, conducted joint research with ...

Paleontology & Fossils Feb 13, 2023

Researchers solve a 150-year-old mystery about aetosaurs

Aetosaurs had a small head and a crocodile-like body. The land dwellers were up to six meters long and widely distributed geographically. They died out about 204 million years ago, at the end of the Triassic.

Bio & Medicine Feb 10, 2023

Autofluorescence-free, imaging-guided precision therapy for rheumatoid arthritis

Rheumatoid arthritis (RA), known as "immortal cancer," is a chronic, progressive autoimmune inflammatory disease. The development and application of an RA high-sensitivity theranostics probe can help to accurately monitor ...

Paleontology & Fossils Jan 4, 2023

Putting the bones of giant, extinct 'thunderbirds' under the microscope reveals how they grew

The largest flightless bird found anywhere in the world today is the ostrich. It stands about 2.5 metres tall and can weigh up to 240kg. But millions of years ago ostriches would have been dwarfed by several other flightless ...

Evolution Dec 22, 2022

A bone cancer tumor more than 215 million years old

More than 215 million years ago, a large amphibian species lived in floodplains in southwestern Poland: Metoposaurus krasiejowensis. On one of these fossils, Polish and American scientists, with the participation of researchers ...

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