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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.
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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.
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Genetic Basis of Adaptation in Darwin’s Iconic Finches Revealed
Ever since Darwin wrote about the finches of the Galápagos Islands, biologists have studied these small songbirds to understand the mechanisms of evolution. New research has revealed the genetic basis of adaptation in this iconic group.
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New Insights Into Stress Granule Formation
Researchers at Weill Cornell Medicine have illuminated one of the important ways that cells respond to stress. The findings could also be relevant to Alzheimer’s, ALS and other diseases in which this mechanism may be abnormally active.
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How Do Cells Maintain Their Cholesterol Levels?
NTU Singapore scientists discover how human cells distribute and maintain their cholesterol levels, aiding in the understanding of cardiovascular and Alzheimer's diseases.
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Giant Immune Cells Step in When Liver Function Is Impaired
A team of researchers has uncovered a previously unknown compensatory mechanism found in liver disease. If Kupffer cells (KCs) become impaired by tissue scarring, immune cells originating in the bone marrow flow to the organ.
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Novel Human Stomach Microphysiological System Created
A human stomach microphysiological system has been created, which could lead to progress in understanding and treating gastrointestinal diseases, including stomach cancer.
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Fitness of Cells Used in Cell Transplants Improved
Researchers found exposing cells to a small molecule drug improved their fitness during hematopoietic stem cell transplants, which could broaden access and improve outcomes for ex vivo gene therapy.
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Discovery Challenges Current Understanding of Gastrulation
Researchers found that the ectoderm does not lose its pluripotency in gastrulation after all. This answers the long-standing question posed by developmental biologists on how the neural crest has such a high stem cell potential.
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