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Binary systems have received much attention as possible progenitors of Type Ia supernovae, but long-term gravitational effects in tight triple or quadruple systems could also play a key role in producing stellar explosion of this type. In new research, a team of astronomers from Europe and New Zealand studied properties of HD 74438, a 2+2 hierarchical stellar system within the open star cluster IC...

Using neutron and X-ray tomography, a team of planetary researchers from Lund University and elsewhere examined a section of Miller Range (MIL) 03346, a nakhlite meteorite from Miller Range in Antarctica. A polished section of the Martian meteorite Miller Range (MIL) 03346: (A) photograph of the interior of MIL 03346,230; note the yellow tint in the left region of the sample, marked by dotted lines;...

Archaeologists from Tel Aviv University, the University of Haifa, the Weizmann Institute of Science and the Israel Antiquities Authority have analyzed residues from ceramic storage jars unearthed in the Babylonian destruction layer (586 BCE) in Jerusalem, Israel. Five of the jars had rosette stamp impressions on their handles, indicating that their content was related to the Kingdom of Judah’s...

Scientists from West Virginia University have found ancient cells of prokaryotes and eukaryotes within fluid inclusions in halite crystals from the Neoproterozoic Browne Formation in central Australia. Distribution of microorganisms in primary fluid inclusions in Browne Formation halite from central Australia. Image credit: Schreder-Gomes et al., doi: 10.1130/G49957.1. “As halite crystals grow...

A team of researchers in Paraguay have described a beautiful new species of the snake genus Phalotris from the Paraguayan department of San Pedro. Juvenile topotype specimen of Phalotris shawnella, kept in captivity and which later escaped. Image credit: Jean-Paul Brouard. Phalotris is a group of small to medium-sized, semi-fossorial snakes in the family Colubridae. First described in 1862, these...

The flexible, thin-film loudspeaker, developed by MIT researchers, weighs only 2 g, is 120 microns thick, and can generate high-quality sound no matter what surface the film is bonded to. These advantages make it a promising candidate for ubiquitous applications in existing and emerging industrial and commercial scenarios. Han et al. developed an ultra-thin loudspeaker that can turn any rigid surface...

Blueberry supplementation has neurocognitive benefit in middle-aged individuals with insulin resistance and elevated risk for future dementia, according to a new study published in the journal Nutrients. Blueberry supplementation may contribute to protection against cognitive decline when implemented early in at-risk individuals. Image credit: Kjerstin Michaela Noomi Sakura Gihle Martinsen Haraldsen. Nearly...

A multinational team of scientists has performed a genome-wide association meta-analysis of clinically diagnosed and self-reported hearing impairment on 723,266 individuals and identified 48 significant genes, 10 of which are new to science. Their results cast doubt on the understanding that age-related hearing impairment originates mainly from sensory hair cells. They argue that the stria vascularis,...

Using neutron and X-ray tomography, a team of planetary researchers from Lund University and elsewhere examined a section of Miller Range (MIL) 03346, a nakhlite meteorite from Miller Range in Antarctica. A polished section of the Martian meteorite Miller Range (MIL) 03346: (A) photograph of the interior of MIL 03346,230; note the yellow tint in the left region of the sample, marked by dotted lines;...

GOES-18 (also known as GOES-T) is a new next-generation weather satellite of the National Oceanic and Atmospheric Administration (NOAA). This image, taken with the Advanced Baseline Imager (ABI) instrument onboard NOAA’s GOES-18 weather satellite, shows the western hemisphere of Earth. Image credit: NOAA. GOES-T launched on March 1, 2022, at 4:38 p.m. EST, lifting off from Cape Canaveral Space...