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#fossil

8 posts8 participants2 posts today

A stunner of an Archaeopteryx fossil preserves SO MUCH soft tissue, including scales on its toe pads and a group of flight feathers never seen before in Archaeopteryx. Called tertials, they lie between the elbow and the body, and play a key flight role in modern birds.

In my latest for CNN, lead study author and paleontologist Jingmai O'Connor explains how these feathers confirm a longheld hypothesis that Archaeopteryx was capable of powered flight.

cnn.com/2025/05/21/science/arc

CNN · ‘Important moment in evolution’: Fossil preserves never-before-seen flight feathers in ‘first bird’Scientists were finally given access to a remarkable Archaeopteryx fossil that’s allowed them to better understand exactly how the earliest known bird could fly.

Global Carbon Budget

The 2024 Global #Carbon Budget projects fossil #CarbonDioxide (#CO2) emissions of 37.4 billion tonnes, up 0.8% from 2023.

Despite the urgent need to cut #emissions to slow #ClimateChange, the researchers say there is still “no sign” that the world has reached a peak in #fossil CO2 emissions.

With projected emissions from land-use change (such as #deforestation) of 4.2 billion tonnes, total CO2 emissions are projected to be 41.6 billion tonnes in 2024, up from 40.6 billion tonnes last year.

globalcarbonbudget.org/fossil-

Global Carbon BudgetFossil fuel CO<sub>2</sub> emissions increase again in 2024The critical annual update revealing the latest trends in global carbon emissions

Bislang völlig unterbelichtet: der ökologisch brisante Widerspruch zwischen monetärer und stofflicher Logik. Éric Pineault verknüpft zuvor getrennte Forschungsstränge über gesellschaftliche Stoffwechselprozesse zu einem neuen sozialökologischen Paradigma. Rezension zu »Die soziale Ökologie des Kapitals« auf @ndaktuell lesen: nd-aktuell.de/artikel/1191073.