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The Enduring Mystery of the Dragonfly 44 Galaxy
...stealing its gas. (This can’t explain Dragonfly 44, which sits too far from heavy galaxies.) Puzzlingly, a September paper reported recent star formation in a UDG, contradicting the idea that...
The Gut Microbiome Helps Social Skills Develop in the Brain
New research in fish suggests that gut microbes can have a crucial early influence on the brain’s social development. Two recent papers have shown that during a critical early period...
A Mathematician Dancing Between Algebra and Geometry
...Institute for Advanced Study, where she was recently named the first director of the IAS’s Women and Mathematics program. She is also a 2023 fellow of the American Mathematical Society...
‘Nasty’ Geometry Breaks Decades-Old Tiling Conjecture
...entire plane without gaps or overlaps. And yet, “not a lot has been known until fairly recent times,” said Alex Iosevich, a mathematician at the University of Rochester. The most...
The Cause of Depression Is Probably Not What You Think
...depletion studies,” said Michael Browning, a clinical psychiatrist at the University of Oxford. A number of tryptophan depletion studies found that about two-thirds of people who have recently recovered from...
Gene Expression in Neurons Solves a Brain Evolution Puzzle
...debate over the origins of the neocortex and DVR stretched out over decades. Now, however, a recently developed technique is helping to break the stalemate. Single-cell RNA sequencing enables scientists...
Can Our Brains Be Taken Over?
Several real-life pathogens can change a host’s behavior against their will. Here’s what we know about these zombie-like infections. In The Last of Us, a video game series and recent...
Room-Temperature Superconductor Discovery Meets With Resistance
...physicists have made incremental progress, steadily raising the critical temperature by testing different combinations of elements. One promising class of materials, known as hydrides, emerged in recent years. Hydrides are...
Shadows in the Big Bang Afterglow Reveal Invisible Cosmic Structures
...and temperature of the dispersing blasts — data that scientists are now using to refine their models of galaxy evolution and the large-scale structure of the universe. In recent years,...