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Spotlighting SEPA for National STEM Day

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The NIGMS Science Education Partnership Award (SEPA) program provides opportunities for pre-K-12 students from underserved communities to access STEM educational resources. SEPA grants support innovative, research-based, science education programs, furthering NIGMS’ mission to ensure a strong and diverse biomedical research workforce. SEPA projects generate resources that are mapped to state and national teaching standards for STEM and are rigorously evaluated for effectiveness; most are also available at no cost. These resources include mobile laboratories, interactive health exhibits in museums and science centers, educational resources for students, and professional development for teachers. Projects engage students and encourage them to envision themselves having careers in biomedical research.

To celebrate National STEM Day, we’re taking a look back at some of the SEPA projects we’ve recently featured on the blog, as well as our STEM teaching resources website, which includes several SEPA-funded materials. Check out the snapshots of each of the projects with links to the full articles and the teaching website below.

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Why Do Cells Die?

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You might know that tiny individual units called cells make up your body. But did you know some of your cells die every day as a part of their normal life cycle? These deaths are balanced by other cells splitting into two identical cells, a process called mitosis.

Two purple- and orange-speckled ovals (cells). The bottom left cell shrinks and becomes several bright yellow circles. The top right cell morphs into thick, bright yellow strands that align along the center of the cell and then pull apart into two new cells.
A confocal microscope films two cells: The cell on the left undergoes a type of cell death called apoptosis, and the one on the right undergoes mitosis. Credit: Dr. Dylan Burnette, Vanderbilt University School of Medicine.
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Understanding RNA-Modifying Enzymes: Q&A With Jeffrey Mugridge

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A portrait image of Jeffrey Mugridge.
Credit: Courtesy of Jeffrey Mugridge.

“One of the best aspects of research is the excitement of discovery, being the first person in the world to know a small detail about the system you’re studying,” says Jeffrey Mugridge, Ph.D., an assistant professor of chemistry and biochemistry at the University of Delaware in Newark. We talked with Dr. Mugridge about how a pet store job sparked his early interest in science, why he decided to change his career trajectory after graduate school, and what he believes is key to being a successful researcher.

Q: How did you first become interested in science?

A: My strong interest in science didn’t develop until I was in high
school—I wasn’t one of those kids who had a chemistry set or a deep love for dinosaurs or anything like that. But in high school, I worked in a pet store, where I learned a lot about aquarium science, including the ins and outs of managing water chemistry to keep fish alive. I also had a fantastic chemistry teacher who really helped me foster a love for the field.

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A Periodic Look at Elements

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It’s National Chemistry Week! To celebrate, we’re looking back at a few recent blog posts highlighting elements important for human health and scientific research. Check out the posts and tell us what your favorite element is in the comments section!

A square showing calcium’s symbol (Ca), atomic number (20), and atomic weight (40.078). Credit: Adapted from Compound Interest. CC BY-NC-ND 4.0.

Got Calcium?
Calcium is the most abundant mineral in our bodies. It’s essential for lots of important functions—including keeping bones strong and allowing muscles to move. Even clicking on this post to learn more about its many roles requires calcium!


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How Do Medicines Work?

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A person in a white lab coat and blue gloves touching a screen with a holographic human body and data readouts.
Credit: iStock.

What we put into our bodies can affect how they function and what they do. For example, a sugary snack will probably make you feel differently than a high-protein meal. Similarly, different medicines elicit different responses in your body, and pharmacologists try to fine-tune each medicine to balance the desired (on-target) with the undesired (off-target) effects—a branch of pharmacology called pharmacodynamics.

Most medicines work by binding to a molecular target, usually proteins like receptors or enzymes, and either blocking or supporting its activity, which results in their therapeutic effects.

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Research Organism Superheroes: Tardigrades

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A brown, barrel-shaped body with rolls, eight legs, pointy claws, and a round mouth against a green background.
A 3D rendering of a tardigrade. Credit: iStock.

“Water bear” or “moss piglet”? No matter what you call them, tardigrades have secured the title of cutest invertebrate—at least in our book. They’re tiny creatures, averaging about the size of a grain of salt, so while you can spot them with the naked eye, using a microscope is the best way to see them. They earned their nickname of water bear and their official name (which comes from tardigradus, Latin for “slow walker”) because of the way they lumber slowly and deliberately on short, stubby legs.

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Claira Sohn Cultivates Neurons and Diversity in the STEM Community

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A headshot of Claira Sohn.
Credit: Courtesy of Claira Sohn.

Claira Sohn credits her grandfather with sparking her interest in science. Although he never studied science at a 4-year university due to financial limitations, he took many community college classes and worked in chemistry labs developing products such as hair dyes and dissolvable stitches. “Every morning, my grandfather would take me to school, and we’d stop to get orange juice and a cookie and talk about science. When I was in elementary school, he bought me a book about quantum mechanics written for kids,” she says. “He inspired me to ask questions and encouraged me to go to college.”

Claira enrolled at Northern Arizona University in Flagstaff after graduating high school. She majored in biomedical sciences and planned to become a medical doctor until her microbiology professor talked to her about the possibility of a research career. “That was an epiphany for me, because while I knew that there was research going on in the world, I didn’t realize there could be a place for me there,” Claira says. During her junior year, she joined the lab of Naomi Lee, Ph.D., where she first experienced what it felt like to be a researcher.

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Diversity Supplement Program Paves the Way for Talented Researchers

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“I hope that one day I’m able to increase our understanding of evolution, and I also hope to increase access to research. I want others to know that this space is open to people who look like me, who come from disadvantaged backgrounds, and who are underrepresented in the sciences,” says Nkrumah Grant, Ph.D., a postdoctoral research associate (postdoc) in microbiology and molecular genetics at Michigan State University (MSU) in East Lansing.

Dr. Grant’s work receives support from the NIGMS Diversity Supplement Program (DSP), which is designed to improve the recruitment and training of promising researchers from diverse backgrounds. Diversifying the scientific workforce can lead to new approaches to research questions, increased recruitment of diverse volunteers for clinical studies, an improved capacity to address health disparities, and many other benefits.

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Quiz: Sepsis Science

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Many oblong bacteria, some with a narrow band near their middle.
Bacteria are the most common triggers of sepsis.
Credit: Mark Ellisman and Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California San Diego.

At least 1.7 million adults in the United States develop a life-threatening condition called sepsis each year. Sepsis is an overwhelming or impaired whole-body immune response that’s most often caused by bacterial infections. However, it can also be caused by viral infections, such as COVID-19 or influenza; fungal infections; or other injuries, including physical trauma.​​ Anyone can get sepsis, but there’s a higher risk for some people, such as those who are ages 65 and older, who have certain medical conditions, or who have recently experienced severe illness or hospitalization.

The early symptoms of sepsis can include fever, chills, rapid breathing or heart rate, disorientation, and clammy or sweaty skin. Because other conditions also have these symptoms, sepsis can be difficult to diagnose. NIGMS-supported researchers are working to increase our understanding of sepsis so that doctors can identify it more quickly and treat it more effectively.

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