Creative illustration depicts an adolescent boy thinking about life.
| 6 min read
Behavior data linked with brain circuitry could lead to effective intervention therapies for substance use.

sex differences

mixing blue and pink smoke, symbolic of the muddled boundaries between sexes

Opinion: Biological Science Rejects the Sex Binary, and That’s Good for Humanity

Two drawn heads on a blue background with gears in their heads. A red spot on two gears is magnified over one head.

Biological Sex Influences Brain Protein Expression

Two human brain illustrations

An Advocate for the Female Brain

The face of a young woman and the face of an old man surrounded by mechanical clocks.

Daily Gene Expression Rhythms Vary with Sex and Age: Study

Artist’s rendition of a neuron silhouetted against a glowing red background.

SNO-y Protein Levels Help Explain Why More Women Develop Alzheimer’s

Artist’s rendition of two X chromosomes in blue, with a glowing orange line swirling around one.

Male and Female Stem Cells Derived from One Donor in Scientific First

Artist’s rendition of the molecular structure of a ribosome (blue and purple) as it produces a polypeptide chain (red) from an mRNA template (orange and gray), with tRNA molecules (dark purple) shuttling amino acids.

Specialized Sperm Ribosomes Are Key to Male Fertility in Mice

Blue 3D illustration of X-shaped chromosomes

X Chromosome Silenced in Some Cancers in Males

A cross-section of a mouse hypothalamus, where cells of the arcuate nucleus are shown in bright green at the bottom.

Methylation in Young Brains May Be Key to Obesity: Mouse Study

blue-gloved hands injecting mouse with syringe

Sex of Researcher Influences Ketamine’s Effects in Mice: Study

multiple generations of family members eating at outdoor table

Sun Exposure Triggers Hunger in Men but Not Women, Study Suggests

Two bonobos facing each other on a tree branch

Q&A: In Battle of the Sexes, Dominance Doesn’t Always Equal Power

Photo of Ana Marija Jakšic

Ana Marija Jakšić Shapes Fruit Fly Brains

Cute sleeping newborn baby child on mother hands stock photo

Exposure to Chemical from Babies Linked to Aggression

A watercolor of a baby in a heart-shaped womb

Sex of Fetus Affects Immune Response to COVID-19 During Pregnancy

group of paleolithic people around a campfire

Gene Variant Points to Starvation’s Evolutionary Legacy

GWAS, psychotic disorder, mood disorder, Q&A, bipolar disorder, schizophrenia, depression, sex differences

Genetic Variants Tied to Sex Differences in Psychiatric Disorders

neurological disorder, brain disease, Q&A, Alzheimer's disease, Parkinson's disease, multiple sclerosis, motor neuron disease, neurodegeneration, blood-brain barrier, sex

Sex of Human Cells Matters in Studying Neurological Disease

Sex Differences in Immune Responses to Viral Infection

Infographic: How SARS-CoV-2 Immune Responses May Differ by Sex

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A red male cardinal and a brownish female sit on a branch in front of a green background.

Sex Determination: It’s in the Genes—Sometimes

A group of large animals, some of which are being studied for cancer resistance genes and proteins, are pictured, including a bison, an elephant, a giraffe, a manatee, a zebra, and a whale.

Peto’s Paradox: How Gigantic Species Evolved to Beat Cancer

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

A cross-section of a mouse brain with staining for NOVA1 and cell nuclei.

Strange Squeaks: A Uniquely Human Gene Alters Mouse “Songs”

Multimedia

Discover the history, mechanics, and potential of PCR.

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Understanding Disease Through Biomarkers

Understanding Disease Through Biomarkers

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March 2025, Issue 1

How Do Embryos Know How Fast to Develop

In mammals, intracellular clocks begin to tick within days of fertilization.

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Discover the history, mechanics, and potential of PCR.

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3D rendered cross section of influenza viruses, showing surface proteins on the outside and single stranded RNA inside the virus

Genetic Insights Break Infectious Pathogen Barriers

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A photo of sample storage boxes in an ultra-low temperature freezer.

Navigating Cold Storage Solutions

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The Immunology of the Brain

The Immunology of the Brain

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Zymo Research Launches the Quick-16S™ Full-Length Library Prep Kit

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BIOVECTRA is Honored with 2025 CDMO Leadership Award for Biologics

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Gilead’s Capsid Revolution Meets Our Capsid Solutions: Sino Biological – Engineering the Tools to Outsmart HIV

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