![A cross-section of mouse brain showing the locus coeruleus in fluorescent green](https://cdn.the-scientist.com/assets\articleNo\71002\aImg\49508\lc-l.webp)
knockout mice
![](https://cdn.the-scientist.com/assets\articleNo\33507\aImg\8185\immune-defect-detected-in-knockout-mice-t.webp)
Immune Defect Detected in Knockout Mice
![](https://cdn.the-scientist.com/assets\articleNo\34716\aImg\10811\inhibiting-sperm-protein-causes-infertility-t.webp)
Inhibiting Sperm Protein Causes Infertility
![](https://cdn.the-scientist.com/assets\articleNo\35179\aImg\11860\passenger-mutations-can-skew-results-t.webp)
Passenger Mutations Can Skew Results
![](https://cdn.the-scientist.com/assets\articleNo\35477\aImg\12504\binge-drinking-trigger-t.webp)
Binge-Drinking Trigger?
![](https://cdn.the-scientist.com/assets\articleNo\36782\aImg\15685\crispr-knock-in-mouse-debuts-t.webp)
CRISPR Knock-in Mouse Debuts
![](https://cdn.the-scientist.com/assets\articleNo\37812\aImg\18022\another-obesity-associated-gene-t.webp)
Another Obesity-Associated Gene
![The Scientist Placeholder Image](/assets/cards/image/placeholder-t.webp)
First, Do No Harm…
Trending
![Image of people clinking glasses with various alcoholic beverages at a table.](https://cdn.the-scientist.com/assets\articleNo\72385\aImg\55068\01-25-justcurious-drinking-1800x1260-t.webp)
Why Do Some People Get Drunk Faster Than Others?
Genetics and tolerance shake up how alcohol affects each person, creating a unique cocktail of experiences.
![Image of a pregnant woman holding her belly with blurred plastic bottles in the background.](https://cdn.the-scientist.com/assets\articleNo\72459\aImg\55400\75713-800-x-560-t.webp)
A Common Plastic Additive Harms DNA and Chromosomes
Plastic chemicals may harm DNA, as new research reveals how additives disrupt nematode egg formation, suggesting risks to human reproductive health.
![Magical fairytale forest. Coniferous forest covered of green moss. Mystic atmosphere.](https://cdn.the-scientist.com/assets\articleNo\70231\aImg\46789\08-2022-d1-notebooks2-articleimg-t.webp)
Why Does Geosmin Smell?
Researchers shed light on why microbes make the chemicals responsible for petrichor, the earthy smell of recent rain.
![A histological cross-section of human skin, with a brown epidermis and pink dermis containing several, short, navy blue, wavy structures. ](https://cdn.the-scientist.com/assets\articleNo\72474\aImg\55443\elastin800x560-t.webp)
Sole Fibroblasts Injected into Thighs Help Develop a Thicker Skin
Volar injections made thigh skin thicker. This therapy could potentially help prevent pressure-induced skin damage in patients using prosthetics.
Multimedia
![Conceptual 3D image of DNA on a blue background.](https://cdn.the-scientist.com/assets\articleNo\72292\aImg\54674\73621-800-x-560-t.webp)
Understanding the Nuts and Bolts of qPCR Assay Controls
Explore how the design and application of appropriate assay controls ensure accurate and reproducible qPCR results.
![Bio-Rad](https://cdn.the-scientist.com/assets\vendorNo\51\logo\47386\bio-rad-logo-s.webp)
![istock](https://cdn.the-scientist.com/assets\articleNo\72453\aImg\55392\75661-ts-ppl-thermo-fisher-compendium-banners-jd-800-x-560-t.webp)
Reaching New Heights with Genetic Engineering Techniques
From genetically modified mosquitoes to clinical therapies, learn how scientists apply gene editing techniques to answer a range of important research questions.
![Thermo Fisher Logo](https://cdn.the-scientist.com/assets\vendorNo\262\logo\47262\thermo-fisher-scientific-logo-svg-s.webp)