Wild-type mice show avoidance and aversive facial expressions to object touch but not to social touch
We first asked if WT mice perceive social touch differently from non-social touch. We used the same behavioral assay we recently developed21 in…
Category: 5. Biology
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Researchers find CRISPR is capable of even more than we thought
Every living creature on Earth needs to protect itself from things that would do it harm. Bacteria are no different. And despite their relative simplicity, they deploy remarkably savvy defensive strategies against viral invaders. The most…
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Heat-tolerant symbionts a critical key to protecting Florida’s elkhorn coral from bleaching during marine heatwaves
A new study published in the journal Coral Reefs reveals that heat-tolerant symbiotic algae may be essential to saving elkhorn coral (Acropora palmata) — a foundational species in Caribbean reef ecosystems — from the devastating impacts of…
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These human ancestors weren’t as lonely as experts thought
For years, archeologists assumed the ancient Homo erectus population that lived…
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Research identifies seven genes that drive hematopoietic stem cell fate
Stem cells can produce any other cell type, it is just a matter of telling them in the right way. From a biological perspective, this means activating the proper genetic programme by pressing the right keys, this is, the right…
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Overlooked cell type orchestrates brain rewiring
Researchers at Washington University School of Medicine in St. Louis have upended decades-old dogma of how connections between brain cells are rearranged during states of heightened vigilance or attention. The team found that a brain chemical…
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Novel molecular maneuver helps malaria parasite dodge the immune system
Researchers at Weill Cornell Medicine have discovered how a parasite that causes malaria when transmitted through a mosquito bite can hide from the body’s immune system, sometimes for years. It turns out that the parasite, Plasmodium falciparum,…
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GPS for proteins: Tracking the motions of cell receptors
Taste, pain, or response to stress — nearly all essential functions in the human body are regulated by molecular switches called G protein-coupled receptors (GPCRs). Researchers at the University of Basel have uncovered the fundamental mechanism…
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In healthy aging, carb quality counts
Intakes of dietary fiber, high-quality and total carbohydrates in midlife were favorably linked to healthy aging and other positive health outcomes in older women, according to a new study by researchers from the Jean Mayer USDA Human Nutrition…
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Floral diversity supports honeybee survival through winter
Especially in temperate climates, winter poses a major challenge for honeybee colonies. To ensure their survival, the animals must maintain the right temperature in the hive and raise the next generation of workers. The availability…
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