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A cartoon intestine and bacteria drawn on a person's abdomen.
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Daily Fluctuations in the Gut Have Caused a “Reproducibility Crisis” in Microbiome Research

Scientists have discovered another factor that affects the composition of the gut microbiome: time of day. In fact, the scientists have found that time of day is such an important factor that they’re calling on researchers to report it in their papers.
A group of five girls on a log across a stream.
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Over 1,000 Gene Variants Can Influence the Age of First Menstrual Period

In the largest study of its kind to date, researchers found more than 1,000 gene variants that influence the age of first menstrual period.
Image from an electron microscope showing how Enterococcus faecalis bacteria clump together to share, among other things, antibiotic resistance with each other.
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Understanding How Bacteria Share Antibiotic Resistance

A study provides new clues in the understanding of how antibiotic resistance spreads. The study shows how an enzyme breaks down the bacteria's protective outer layer, the cell wall, and facilitates the transfer of genes for resistance to antibiotics.
A 3D model of a human brain.
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RNA Editing Differs in Living vs Postmortem Brains

Researchers from the Icahn School of Medicine at Mount Sinai have shed valuable light on the nuanced functions and intricate regulatory methods of RNA editing, a critical mechanism underlying brain development and disease.
A diagram of a brain superimposed on a person's head.
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Serotonin 2C Receptor Is a Key Regulator of Memory

Researchers have uncovered the role of the serotonin 2C receptor in regulating memory, providing new insights into the factors involved in healthy memory.
Fossil CN-46700.
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First Case of Down Syndrome Identified in Neanderthals

An international team including Binghamton anthropologist Rolf Quam documented the first case of Down syndrome in Neandertals by studying the fossil of a child found in a cave in Spain.
Two woolly mammoths.
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Wrangel Island Mammoths Were Inbred but Not Destined for Extinction

Many species around the world are on the brink of extinction. A recent study used genomic analysis on the last surviving population of woolly mammoths to explore the potential causes of their extinction.
Mycena epipterygia.
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Arctic Mushrooms Have the Biggest Fungal Genomes

A study of multiple Mycena mushroom species, also known as “bonnets,” reported in the journal Cell Genomics on June 27 has found that they have unexpectedly large genomes.
Cells.
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MCT1's Key Role in Skeletal Muscle Metabolism and Exercise Endurance

A research team revealed a physiological function of monocarboxylate transporter 1 (MCT1) in mediating the intracellular and extracellular lactate transport in skeletal muscle.
A monkey.
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Mathematical Theory Suggests Microbial Role in Male Mammal Milk Production

Being nursed by a single parent could be an evolutionary strategy to curb the spread of harmful microbes in mammals, according to a novel theory developed by mathematicians.
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