科学与环境

Fossil footprints reveal how dinosaur ancestors gradually shifted from sprawling to upright walking

来源: Phys.org - latest science and technology news stories · 发布于

Fossil footprints reveal how dinosaur ancestors gradually shifted from sprawling to upright walking
来源: Phys.org - latest science and technology news stories

A research team led by Dr. Lorenzo Marchetti of the Museum für Naturkunde Berlin described the earliest archosauriform footprints (Pachychirotherium gardenaensis) from the GEOPARC Bletterbach—UNESCO World Heritage Dolomites, Italy.

A research team led by Dr. Lorenzo Marchetti of the Museum für Naturkunde Berlin described the earliest archosauriform footprints (Pachychirotherium gardenaensis) from the GEOPARC Bletterbach—UNESCO World Heritage Dolomites, Italy.

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A forgotten fossil reveals a fearsome dinosaur with giant claws
科学与环境

A forgotten fossil reveals a fearsome dinosaur with giant claws

A 120-million-year-old fossil forgotten in a museum for nearly a century has revealed a terrifying new dinosaur that may have been more dangerous to humans than a T. rex. The tiger-sized predator also provides the first evidence of megaraptorans in Europe, helping explain how the

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Why are pets scared of fireworks?
科学与环境

Why are pets scared of fireworks?

Fireworks are an integral part of many celebrations and cultural events. With their pretty colors, spectacular sights and big bangs, fireworks are a popular attraction for many people.

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科学与环境

Quantum calculations reveal how spin defects lose energy

When light hits a tiny defect embedded in a solid material like diamond or silicon carbide, it can kick the defect's electrons into an excited state. These spin defects have the potential to be used as stable, readable qubits for quantum technologies, for example, quantum sensing

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Solving the mystery behind a flightless beetle's transatlantic journey
科学与环境

Solving the mystery behind a flightless beetle's transatlantic journey

They can't fly or swim, so why do their closest relatives appear on different continents? Grey Gustafson, an associate professor in the Department of Biological Sciences, discovered through DNA sequencing that the ancestors of some of today's tiger beetles existed in South Americ

Phys.org - latest science and technology news stories ·