Âé¶¹ÒùÔº

Search results for bone mineralization

Environment Jan 13, 2025

Giant freshwater aquifer in southern Africa is under threat from mining

A huge underground water resource the size of Austria, the Stampriet Transboundary Aquifer System, stretches for 87,000km² across Namibia, South Africa and Botswana. It supplies 50,000 people in several towns with water ...

Evolution Jan 9, 2025

How ancient flying reptiles ruled the skies: Study uncovers pterosaur tail structures that enhanced flight capabilities

Scientists have long puzzled over how pterosaurs became the first vertebrates to master flight. Some pterosaur species, such as the Quetzalcoatlus were the largest known animals to ever take to the skies, with wingspans of ...

Evolution Jan 9, 2025

Mammalian outer ear traced back to ancient fish gills

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a study published in Nature from the USC Stem Cell lab of Gage Crump, this intricate coil of cartilage has a surprisingly ...

Biochemistry Jan 7, 2025

Polymer-based network gives artificial cells a life-like cytoskeleton

Just like your body has a skeleton, every cell in your body has a skeleton—a cytoskeleton to be precise. This provides cells with mechanical resilience, as well as assisting with cell division. To understand how real cells ...

Space Exploration Jan 2, 2025

Humans will soon be able to mine on the moon—but should we? Four questions to consider

By the end of this decade, nations and private companies may well be mining the surface of the moon.

Astrobiology Dec 9, 2024

Extraterrestrial life may look nothing like life on Earth—astrobiologists seek framework for how complex systems evolve

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do you look for alien life when you don't know what alien life might look like?

Paleontology & Fossils Nov 18, 2024

A 150-million-year journey from the Jurassic to Exposition Park

150 million years ago, Laurasia .The massive neck dips, casting a curving shadow on the mossy ground. The dinosaur's jaws close around its prize. The creature lifts its head, nearly dainty in scale, and contentedly gnaws ...

Paleontology & Fossils Nov 4, 2024

Did the world's best-preserved dinosaurs really die in 'Pompeii-type' events?

Between about 120 million and 130 million years ago, during the age of dinosaurs, temperate forests and lakes hosted a lively ecosystem in what is now northeast China. Diverse fossils from that time remained pretty much undisturbed ...

Earth Sciences Oct 31, 2024

Scientists examine how wastewater practices in Florida Keys impact water quality

Wastewater contains nutrients that can overfeed algae, leading to harmful algal blooms and pollution issues in the ocean and other waterways. A new study by researchers at Penn State tracked how these nutrients migrate from ...

Biochemistry Oct 30, 2024

Bones from shipwreck suggest right- or left-handedness could affect how clavicle chemistry changes with age

A new study of human skeletal remains from the wreck of the 16th century English warship "Mary Rose" suggests that whether a person is right- versus left-handed may influence how their clavicle bone chemistry changes as they ...

page 6 from 40