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Artist’s rendition of a neuron silhouetted against a glowing red background.
SNO-y Protein Levels Help Explain Why More Women Develop Alzheimer’s
Female postmortem brains contain more S-nitrosylated C3 proteins, likely linked to menopause, which instruct immune cells to kill neuronal synapses.
SNO-y Protein Levels Help Explain Why More Women Develop Alzheimer’s
SNO-y Protein Levels Help Explain Why More Women Develop Alzheimer’s

Female postmortem brains contain more S-nitrosylated C3 proteins, likely linked to menopause, which instruct immune cells to kill neuronal synapses.

Female postmortem brains contain more S-nitrosylated C3 proteins, likely linked to menopause, which instruct immune cells to kill neuronal synapses.

chemistry
Illustration of the winners of the 2022 Nobel Prize in Chemistry
Biocompatible Reactions In Living Cells Garner Chemistry Nobel
Katherine Irving | Oct 5, 2022 | 4 min read
This year’s award recognizes Carolyn Bertozzi, Morten Meldal, and K. Barry Sharpless for developing click chemistry and bioorthogonal chemistry.
Kenneth Coale
Biogeochemist Kenneth Coale Dies at 67
Lisa Winter | Aug 4, 2022 | 3 min read
He was known for his research on iron’s role in phytoplankton biomass.
Enzymes Cutting Extracellular Matrix
An Introduction to Enzymes
The Scientist Creative Services Team | 1 min read
Discover how enzymes work and why they're an integral part of scientific laboratories.
Three luminous liquids in test tubes
What If Scientists Shared Their Reagents for Free?
Amanda Heidt | Jul 18, 2022 | 9 min read
Some researchers have decided to provide their products without financial compensation or expectations of authorship on resulting papers, prompting a flurry of new work.
sunlit coral reef
Corals and Sea Anemones Turn Sunscreen into Toxins—Understanding How Could Help Save Coral Reefs
Djordje Vuckovic and Bill Mitch, The Conversation | May 6, 2022 | 6 min read
Researchers have long suspected that an ingredient in sunscreen called oxybenzone was harming corals, but no one knew how. A new study shows how corals turn oxybenzone into a sunlight-activated toxin.
The Community-Wide Effort to Standardize QA/QC for Metabolomics and Lipidomics
The Scientist Creative Services Team | 1 min read
Perspectives on the basics and future of QA/QC
A photo of soybean pods
The Right Chemistry, 1935
Catherine Offord | Mar 1, 2022 | 3 min read
Percy Lavon Julian, a young, Black scientist working in Jim Crow America, gained international recognition after beating chemists at the University of Oxford in the race to synthesize the alkaloid physostigmine, used for decades as a treatment for glaucoma.
university building
Harvard Chemist Found Guilty of Lying About Chinese Funding
Chloe Tenn | Dec 22, 2021 | 3 min read
In a win for the US Department of Justice’s China Initiative, Charles Lieber was convicted of hiding his financial ties to China from federal agencies.
microscope image of methaotrophs with black specks
Deep Sea Microbes Produce Graphite-like Carbon
Chloe Tenn | Nov 11, 2021 | 2 min read
The first evidence of biologically produced elemental carbon inspires more questions than answers.  
Black and white image of Jean Wilson in an office, wearing a lab coat.
Endocrinologist Jean Wilson Dies at 88
Lisa Winter | Jun 24, 2021 | 2 min read
The University of Texas Southwestern professor’s research focused on the androgen hormones that cause male sexual differentiation and may also lead to prostate disease.
Cicada nymph on a tree, shedding its exoskeleton
Scientists Go Down the Cicada Hole
Lisa Winter | Jun 24, 2021 | 3 min read
Brood X’s emergence tunnels—numbering in the hundreds per square meter of soil—give researchers a special opportunity to study how such extreme soil aeration affects the ecosystem.
Headshot of Richard Ernst, circa 1990
Nobel Laureate Richard Ernst Dies at 87
Lisa Winter | Jun 11, 2021 | 3 min read
The chemist refined nuclear magnetic resonance technology, giving rise to the development of MRI.
Helen Murray Free smiling at the camera, wearing a red shirt and black jacket with red trim.
Diabetes Testing Pioneer Helen Free Dies at 98
Lisa Winter | May 5, 2021 | 3 min read
Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.
Black in X Addresses Long-Standing Inequity in STEM
Lisa Winter | Nov 16, 2020 | 7 min read
In a year of racial tumult, Black scientists are uniting for visibility and action. 
Water on the Moon Confirmed
Lisa Winter | Oct 27, 2020 | 2 min read
So far, the bulk of the identified water molecules are too distant from one another to form ice or liquid.
CRISPR, Cas-9, Nobel, Chemistry
CRISPR’s Adaptation to Genome Editing Earns Chemistry Nobel
Amanda Heidt | Oct 7, 2020 | 4 min read
Emmanuelle Charpentier and Jennifer Doudna reprogrammed the bacterial immune response into one of the most popular tools for genetics and molecular biology.
Image of the Day: Stink Flirting
Amy Schleunes | Apr 17, 2020 | 1 min read
Male lemurs secrete aldehydes from their wrist glands that may make them more attractive to females during the breeding season.
George Preti, Organic Chemist Who Studied Human Body Odors, Dies
Amy Schleunes | Mar 20, 2020 | 3 min read
Over nearly 50 years, the Monell Chemical Senses Center chemist investigated a range of topics, from the smell of cancer to body odor’s effects on human physiology and behavior.
Prominent Harvard Chemist Arrested For Concealing Ties to China
Amy Schleunes | Jan 29, 2020 | 2 min read
The Department of Justice also released the names of two Chinese researchers who allegedly acted against US interests.
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