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A human gut and a brain with arrows going in-between them.
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Discrimination Can Impact the Gut Microbiome, Increasing the Risk of Obesity

People frequently exposed to racial or ethnic discrimination may be more susceptible to obesity and related health risks in part because of a stress response that changes biological processes and how we process food cues.
A forest scene.
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Tropical Forests Are Almost Carbon Neutral Yet Temperate Forests Remain Global Carbon Sinks

Using a new analysis method for satellite images, an international research team mapped for the first time annual changes in global forest biomass between 2010 and 2019.
Nerve cells.
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The Brain Processes Smaller Numbers of Objects Differently to Larger Numbers

When two, three or four apples are placed in front of us, we are able to recognize the number of apples very quickly. However, we need significantly more time if there are five or more apples and we often also guess the wrong number.
A scientist holding a thale cress plant.
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Plant Chloroplasts Show Potential in Treating Huntington’s Disease

A chloroplast enzyme safeguards plants against pathological protein aggregation that causes Huntington’s and other neurodegenerative diseases. Researchers may have found a way to “copy” the mechanism for application in human cells.
Organelles in a cell.
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New Cellular “Mini-Organ” Identified

Cell biologists describe a new organelle present in mammalian cells that is made of rings of DNA. This “mini-​organ” could potentially play a role in autoimmune diseases, and it could help researchers to understand how cell nuclei evolved.
A selection of different coloured carrots.
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Why Are Carrots Orange?

A new study of the genetic blueprints of more than 600 types of carrot shows that three specific genes are required to give carrots an orange color. Surprisingly, these three required genes all need to be recessive, or turned off.
Arctic lake by a mountain.
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Plant Fossils May Reveal How Global Warming Affects Methane in Arctic Lakes

By studying fossils from ancient aquatic plants, researchers are gaining a better understanding of how methane produced in Arctic lakes might affect climate change.
A computer chip.
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New Wearable Sensor Enables Continuous Analysis of Sweat

A new sensor enables continuous monitoring of sweat, revealing valuable information about human health, such as the body’s glucose levels.
A doctor looking at an X-ray.
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Shorter Radiotherapy Courses May Benefit Some Breast Cancer Patients

Researchers have found that a shorter course of radiation therapy after mastectomy and breast reconstruction surgery provides the same protection against breast cancer recurrence and equivalent physical side-effects but reduces life disruption.
A scientist holding a glass vial containing blood.
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Diabetes Linked to Worse Blood Cancer Survival

A first-of-its-kind study unveils how diabetes drives multiple myeloma growth and differences in survival outcomes for Black versus white patients with both conditions.
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