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Two dogs stand next to each other. The dog on the left has its tail up, while the dog on the right has its tail lowered.
Why Do Dogs Wag Their Tails?
Laura Tran, PhD | Nov 1, 2024 | 2 min read
Chasing dog tails for answers, researchers explore the reasons behind the quintessential tail wagging of these furry four-legged friends.
An illustration of seven T cells (in seafoam green) attack a cancer cell (in pink).
Meet Cyclone: A Monitoring Tool That Watches for Waves of Immune Response
Rashmi Shivni | Nov 1, 2024 | 4 min read
A new algorithm detects when immunotherapies create surges of T cell responses in melanoma patients.
A close up photo showing wells in a 96-well plate.
How to Optimize OD600 Measurements
The Scientist Staff | Nov 1, 2024 | 2 min read
Optical density can be affected by sample conditions, the state of the measuring vessel, and instrument configuration.
An artistic interpretation of CRISPR genome editing showing the cutting and changing of DNA segments.
A Small Genome Editing Nuclease Packs a Big Punch
Sahana Sitaraman, PhD | Oct 30, 2024 | 4 min read
For the past decade, scientists have relied almost exclusively on CRISPR-Cas systems for genome editing. Now, a smaller but equally efficient nuclease is here to compete. 
An illustration of a perforated grey nucleus holding colorful spaghetti-like DNA strands.
Gene Proximity to Nuclear Speckles Drives Efficient mRNA Splicing
Karen Kelley Perkins, PhD | Oct 30, 2024 | 4 min read
Nuclear architecture investigation provides insights into the role of nuclear bodies in RNA processing.
A reddish brown ant with a whitish fungal stalk growing out of it.
Zombie Fungi Hijack Hosts’ Brains
Hannah Thomasy, PhD | Oct 29, 2024 | 10+ min read
Mind-controlling fungi are changing the ways that scientists understand host-parasite relationships.
The Swedish bridge spider on a web over a blue background.
Unraveling the Web of Proteins in Spider Silk
Kamal Nahas, PhD | Oct 29, 2024 | 4 min read
Compartmentalized protein expression in the spider silk gland provides clues to spinning more sustainable materials. 
Image of blood in a test tube with the four base pairs of DNA in the background.
A Novel Polymerase Reduces Stutter in Forensic DNA Analysis
Laura Tran, PhD | Oct 28, 2024 | 4 min read
A breakthrough enzyme aims to resolve a persistent DNA artifact that has challenged forensic analysis for decades.
Photo of flooding in a Florida neighborhood following a hurricane.
Are "Flesh-Eating" Bacteria Causing Infections in Florida? Not Exactly, Experts Clarify
Danielle Gerhard, PhD | Oct 25, 2024 | 4 min read
Following recent hurricanes, reports of "flesh-eating" bacteria in Florida have emerged, but these bacteria, which exist year-round, don't actually consume flesh.
A thermal image of a woman’s head and neck taken from the back.
Newly Found Fat Cell Uses a Different Approach to Heat the Body  
Kamal Nahas, PhD | Oct 25, 2024 | 4 min read
Single-cell sequencing unpacked 10 varieties of fat cells, including one that uses an alternative heat-regulating strategy that protects against weight gain.
The two sections show an oval-shaped structure, some of which is red in color. The red-colored structure is larger in the image above.
Fathers’ Gut Bacteria Impact Offspring Health
Sneha Khedkar | Oct 25, 2024 | 4 min read
Gut microbiome disruption in male mice increases disease risk in offspring, indicating that preconception paternal health status can affect the next generation.
3D illustration of an antibody bound to a metallic nanoparticle.
A New Approach Improves Signal Detection in Mass Cytometry
Shelby Bradford, PhD | Oct 24, 2024 | 3 min read
A team of researchers developed a technique, ACE, to improve the ability to study low-abundance proteins using mass cytometry.
Image shows a brain and a digestive system, specifically the intestines, connected by nodes. 
Gut Serotonin Curbs the Developing Immune System
Claudia Lopez-Lloreda, PhD | Oct 24, 2024 | 3 min read
In neonatal mice, the neurotransmitter serotonin mobilizes immune cells that promote tolerance to antigens.
A stack of magazines on a table, with the top one open
The Driving Factors Shaping the In Focus Series
The Scientist and ACS Publications | Oct 23, 2024 | 4 min read
Sara Tenney talks about how ACS creates digital primers to bridge the gap between undergraduate-level depth and scholarly articles. 
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