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Multicolored microscopy image of a blood generating-heart forming organoid on a black background, showing the various cell types that make up the organoid.
Scientists Get to the Heart of Blood Formation
Researchers tweak heart-forming organoids to produce blood cells, in a process that mimics embryonic development.
Scientists Get to the Heart of Blood Formation
Scientists Get to the Heart of Blood Formation

Researchers tweak heart-forming organoids to produce blood cells, in a process that mimics embryonic development.

Researchers tweak heart-forming organoids to produce blood cells, in a process that mimics embryonic development.

News

Image of Brussels sprouts and endives on a wooden background.
Greens and Genes: The Bitter Truth Behind Your Veggie Preferences
Laura Tran, PhD | Dec 10, 2024 | 5 min read
From Brussels sprouts to chicory, some veggies pack a bitter punch, but genetics and individual differences create a unique flavor experience for everyone.
Illustration of Carlo Quintanilla, a health science policy analyst at the National Institute of Child Health and Human Development, at his desk creating a report (right monitor) that summarizes the impact of policies based on data about them that he has researched (left monitor).
What Does a Career in Science Policy Entail?
Shelby Bradford, PhD | Dec 9, 2024 | 5 min read
Science policy helps shape research and funding; science policy analysts evaluate these policies to ensure they support scientific progress and innovation.
A tick embedded into skin. 
What Makes a Tick Stick?
Sahana Sitaraman, PhD | Dec 6, 2024 | 5 min read
Ticks form a stable structure around their mouth to stick to their hosts for days. Phase transitions of proteins in the tick saliva drive this adhesion.
3D cartoon of a blue and green prokaryote on a teal background. Part of the cell is cutaway to reveal its circular chromosome.
A Hunt for Clues to the Origins of the Eukaryotic Immune System
Shelby Bradford, PhD | Dec 6, 2024 | 4 min read
Homologous defense proteins in archaea and eukaryotes point to these early prokaryotes' role in the immune system of modern complex organisms.
A woman eating a piece of multigrain bread.
How did Humans Adapt to Digest Starchy Foods?
Hannah Thomasy, PhD | Dec 5, 2024 | 4 min read
Researchers uncover the surprisingly complex evolutionary history of the salivary protein amylase.
The image shows an individual sea anemone of the species Nematostella vectensi against a black background. 
Elusive Stem Cell Population Finally Identified in Sea Anemones
Claudia Lopez-Lloreda, PhD | Dec 5, 2024 | 4 min read
The presence of a previously unidentified population of stem cells in sea anemones suggests that these cells may have been present in a common cnidarian ancestor.
A starfish with one arm shorter than the other four.
Researchers Discover How Starfish Cut Ties with Their Limbs
Sneha Khedkar | Dec 4, 2024 | 4 min read
A neuropeptide helps starfish shed their arms to escape predators, providing clues about the mechanisms regulating self-amputation.
Middle aged woman sitting on a sofa, holding her knee in pain.
Bone-Building Hormone Identified in Lactating Mice 
Claudia Lopez-Lloreda, PhD | Dec 3, 2024 | 4 min read
A brain-derived hormone that improves bone health could guide new treatments for age-related bone conditions. 
Three-dimensional rendering of violet-colored astrocytes touching a red blood vessel.
Modeling the Blood-Brain Barrier in a Dish
Sneha Khedkar | Dec 3, 2024 | 4 min read
Human brain and blood vessel organoids merged to form blood-brain barrier assembloids could provide clues into neurological diseases.
Image of concentric circles cut into a grass lawn.
Bacteria’s Stress Strategy: Slow Down to Avoid the Crowd
Laura Tran, PhD | Dec 2, 2024 | 4 min read
Computer simulations highlight how bacteria slow their growth to avoid overcrowding, a behavior that may inform pathogen control. 
A young child holding her bruised knee.
A Beneficial Bacterium Helps Wounds Heal
Sneha Khedkar | Dec 2, 2024 | 5 min read
A bacterium found in the wound microbiome can accelerate healing, highlighting the potential for microbiota-based wound therapies.
A bowl filled with various nuts, beans, seeds, avocado, oats, cheeses, and meat, is arranged by color to form a yin-yang symbol. The background is filled with cartoon images of cells.
A Keto Diet Could Enhance Cancer Drug Effectiveness
Paige Nicklas | Nov 29, 2024 | 4 min read
In mice, a ketogenic diet remodeled the translatome of pancreatic cancer cells, rendering them vulnerable to targeted therapy.
An illustration showing a DNA strand and a cancer cell. 
How Some Cancer Cells Survive Chemotherapy
Sahana Sitaraman, PhD | Nov 26, 2024 | 4 min read
Chemotherapy drugs can kill cancer cells by halting DNA replication, but a glucose-depleted environment can help cancer cells overcome this effect and resist death. 
Image of a showerhead with running water. There is a soap dispenser and toothbrush on a wire shelf in the shower.
A Viral Investigation of Bathroom Biomes
Laura Tran, PhD | Nov 26, 2024 | 4 min read
Hidden on toothbrushes and showerheads, bacteriophages reveal a viral ecosystem and its potential to create healthier living spaces.
An orange Pseudomonas aeruginosa bacterium with white flagella on a blue background.
Pseudomonas Bacteria Escape Immunity by Disrupting Energy Production in Macrophages
Kamal Nahas, PhD | Nov 25, 2024 | 4 min read
Pseudomonas infections are tough to treat, but a new study reveals a chemical they use to subdue macrophages, suggesting new therapeutic avenues.
A photograph of a man sleeping on a couch next to a plate with a poultry leg on it.
Why Does Thanksgiving Dinner Make Some People Sleepy?
Shelby Bradford, PhD | Nov 25, 2024 | 4 min read
Urban myths cry turkey, but the science behind why Thanksgiving feasts induce sleep suggests otherwise.
A brittle star with its thin, serpent-like arms against a black background.
Diving Into the Brittle Star Genome to Understand the Evolution of Regeneration
Sneha Khedkar | Nov 22, 2024 | 4 min read
The sequenced genome of the brittle star revealed unique gene arrangements and provides insights into ancient genes involved in limb regeneration.
A pink and yellow protein held together by a gray circle pull a piece of blue DNA into a loop.
Combining Bacterial Systems Offers a New Approach to Gene Regulation
Shelby Bradford, PhD | Nov 22, 2024 | 4 min read
Researchers turned programmable proteins into a novel genetic tool, potentially enabling tighter control of gene expression.
A fruit fly (Drosophila melanogaster) sitting on a green grass blade with a green background.
How the Fly Brain Knows When to Release Insulin
Sneha Khedkar | Nov 21, 2024 | 4 min read
An enzyme synthesized in the fly gut travels to the brain, where it induces insulin-like peptide secretion.
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