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Evolution

Out of Trump’s Shadow, World Bank President Embraces Climate Fight – The New York Times

Mr. Malpass has ingratiated himself with World Bank staff with his steady, low-key approach and congenial manner. He has also benefited from low expectations. But with three years left to go in his term, some development experts want to see…

Ocean eddies strongly affect global mean sea-level projections – Science Advances

INTRODUCTION Satellite-observed sea-level measurements indicate an ongoing increase in the global mean sea level since the satellite era (1–3). Global mean sea-level rise (GMSLR) threatens low-lying coastal regions, and these regions will benefit strongly from sea-level projections to adapt their…

Why the House Republicans’ plan to fight climate change matters – MSNBC

As a rule, congressional Republicans aren’t in the habit of unveiling policy proposals on any issue. It’s the hallmark of a post-policy party: it’s up to others to do the unglamorous work of crafting substantive legislation. With this in mind,…

Complete chromosome 8 sequence reveals novel genes and disease risks

(University of Washington School of Medicine/UW Medicine) A full assembly of human chromosome 8 has now been completed. Its DNA content and arrangement are of interest in primate and human evolution, in several immune and developmental disorders, and in chromosome sequence structure and function generally. This chromosome has a fast-evolving region with a highly accelerated mutation rate in humans and human-like species. Also, comparative studies with ape and macaque sequences are helping to chart the evolutionary history of the chromosome 8 centromere.

Corals carefully organize proteins to form rock-hard skeletons

(Rutgers University) Rutgers scientists have shown that coral structures consist of a biomineral containing a highly organized organic mix of proteins that resembles what is in our bones. Their study, published in the Journal of the Royal Society Interface, shows for the first time that several proteins are organized spatially – a process that’s critical to forming a rock-hard coral skeleton.

Curiosity rover explores stratigraphy of Gale crater

(Geological Society of America) Gale Crater’s central sedimentary mound (Aeolis Mons or, informally, Mount Sharp) is a 5.5-km-tall remnant of the infilling and erosion of this ancient impact crater. Given its thickness and age, Mount Sharp preserves one of the best records of early Martian climatic, hydrological, and sedimentary history.

Living fossils: Microbe discovered in evolutionary stasis for millions of years

(Bigelow Laboratory for Ocean Sciences) Research led by Bigelow Laboratory for Ocean Sciences has revealed that a group of microbes found deep underground in three continents have been at an evolutionary standstill for millions of years. The discovery could have significant implications for biotechnology applications and scientific understanding of microbial evolution.

Modern human brain originated in Africa around 1.7 million years ago

(University of Zurich) The human brain as we know it today is relatively young. It evolved about 1.7 million years ago when the culture of stone tools in Africa became increasingly complex. A short time later, the new Homo populations spread to Southeast Asia, researchers from the University of Zurich have now shown using computed tomography analyses of fossilized skulls.

Why rescuing the climate and saving biodiversity go hand in hand – New Scientist

By Michael Le Page A kangaroo and her joey survey the aftermath of a wildfire in Mallacoota, Australia, in 2020 Jo-Anne McArthur/We Animals/naturepl THE Great Barrier Reef is already in a critical state. Rising sea temperatures are killing corals faster…

The Coma Cluster contains thousands of galaxies

The “Realm of the Galaxies” swarms with stars unnumbered and can be spotted by observers using medium to large telescopes. The Coma Cluster of galaxies was instrumental in the discovery of dark matter.