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Symmetry, microscopy and spectroscopy signatures of altermagnetism - Nature
The symmetry, microscopy and spectroscopy signatures of altermagnetism are reviewed, and compared with traditional ferromagnetism and Néel antiferromagnetism, and magnetic phases with symmetry-protected compensated non-collinear spin orders.
Enormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 years - Live Science
An expedition off the coast of Massachusetts has confirmed the existence of a freshwater reservoir beneath the seafloor. Now, scientists are starting to understand when and how it formed.
Four camera-type eyes in the earliest vertebrates from the Cambrian Period - Nature
Early vertebrates, particularly myllokunmingids, possessed four camera-type eyes (a pair of lateral eyes and pineal and parapineal organs), which indicates that these structures functioned in image formation, in support of the hypothe…
Afar fossil shows broad distribution and versatility of Paranthropus - Nature
With its attribution to Paranthropus, a 2.6-million-year-old partial mandible expands the range of the genus into the Afar region of Ethiopia and adds to our understanding of hominin evolution in eastern Africa.
Bird retinas function without oxygen—solving a centuries-old biological mystery - Phys.org
Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal kingdom—function permanently without it. This may be relevant in future treatment of stroke patients.
NASA Webb Finds Young Sun-Like Star Forging, Spewing Common Crystals - NASA Science (.gov)
Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline silicates, since crystals require