Tag: sperm

^{Type
post

Author
Terrell Clemmons

Date
September 1, 2026

Categories
Biology
Medicine
Tagged
, androgens, Anne Fausto-Sterling, Ari Berkowitz, biological sex, biologists, biology, body hair, brain size, breast size, Caster Semenya, chromosomes, clitoris, Colin Wright, Department of Health and Human Services, eggs, embryo, evolutionary biologists, female, gender, genitals, hormones, Howard Glicksman, intersex, labia, Leonard Sax, male, muscular strength, ovaries, primary sex traits, reproduction, reproductive tissues, secondary sex traits, sex cells, sex realism, sperm, Steve Laufmann, testes, Testis Determining Factor, The Binary Delusion, The Conversation, Too Fast to Be a Woman?, University of Oklahoma, urethra, voice pitch, waist-to-hip ratio, Y chromosome, Your Designed Body}

The Non-Binary Delusion: A Biologist’s Attempt to Escape Reality

_{Terrell Clemmons
September 1, 2026

Biology, Medicine

10}

Most people understand that secondary sex characteristics can vary, but Ari Berkowitz leaps beyond this uncontroversial observation. Read More ›

^{Type
post

Author
Thomas E. Woodward

Date
June 30, 2026

Categories
Genetics
Intelligent Design
Tagged
, Berkley Gryder, BIO-Complexity, blood cells, bone cells, cells, Discovery Institute Press, DNA, egg cell, embryo, embryologists, ENCODE, epigenetics, Epigenetics and the Architect, epigenome, Epigenome Roadmap, Human Epigenome Project, Human Genome Project, James P. Gills, Nature (journal), nerve cells, New York Times, Nicholas Wade, skin cells, sperm, submarine, Thomas E. Woodward, UC Berkeley, zona pellucida, zygote}

The Zygote Code and Other Mysteries

_{Thomas E. Woodward and James P. Gills, MD
June 30, 2026

Genetics, Intelligent Design

8}

As development progresses, each cell is directed to unique use of its DNA files by the epigenetic system, which sits above the DNA. Read More ›

^{Type
post

Author
Jonathan McLatchie

Date
January 28, 2026

Categories
Evolution
Genetics
Intelligent Design
Tagged
, Africa, African sleeping sickness, APOL1, Daniel Melamed, diseases, engineering, genes, genetic mutations, genomes, germline genome, haploid, heterozygotes, HindIII, homozygotes, Israel, malaria, MEMDS, mutation DNA, Mutation Enrichment followed by Maximum Depth Sequencing, mutation frequency, mutations, Proceedings of the National Academy of Sciences, randomness, restriction enzyme, sperm, sperm DNA, Trypanosoma brucei, University of Haifa, wild-type DNA}

Could Genetic Mutations Be Non-Random? New Evidence for Mutational Bias

_{Jonathan McLatchie
January 28, 2026

Evolution, Genetics, Intelligent Design

4}

The researchers examined the emergence of a mutation in the human APOL1 gene that confers protection from African sleeping sickness. Read More ›

^{Type
post

Author
Andrew McDiarmid

Date
January 18, 2026

Categories
Engineering
Evolution
Intelligent Design
Tagged
, Bayesian reasoning, Charles Darwin, Darwin’s Black Box, egg, engineering, evolution, evolutionary theory, fertilization, forethought, goal, human reproduction, ID the Future, intelligent design, Irreducible Complexity, irreducibly complex systems, Jonathan McLatchie, Michael Behe, natural selection, podcast, purpose, seminal fluid, sexual reproduction, sperm, sperm capacitation}

Sexual Reproduction: Engineered for Success

_{Andrew McDiarmid
January 18, 2026

Engineering, Evolution, Intelligent Design

2}

I continue a three-part discussion with Dr. Jonathan McLatchie on why sex is the queen of problems for evolutionary theory. Read More ›

Ancient footprint embedded in earth, showing detail of toes and sole

^{Type
post

Author
Denyse O’Leary

Date
November 14, 2025

Categories
Genetics
Human Origins and Anthropology
Paleontology
Tagged
, arithmetic, DNA, egg cells, footprints, Homo sapiens, modern humans, Neanderthals, New Scientist, PIEZO1, sperm, Switzerland, University of Seville, University of Zurich}

The Neanderthal Story Keeps Evolving (Even if Nothing Else Does)

_{Denyse O’Leary
November 14, 2025

Genetics, Human Origins and Anthropology, Paleontology

5}

The University of Seville announces that Neanderthal footprints found along Portugal’s Algarve coast have led to unexpected insights about Neanderthal culture. Read More ›

Futuristic holographic baby in doctor's hand: exploring virtual reality and medical technology

^{Type
post

Author
Wesley J. Smith

Date
October 23, 2025

Categories
Bioethics
Medicine
Tagged
, babies, bioethics, Brave New World, cells, children, China, CRISPR, eggs, embryos, gestational carriers, government, men, parents, regulation, reproduction, skin cells, somatic cell nuclear transfer, sperm, women}

Human Reproduction Is Becoming Human Manufacture

_{Wesley J. Smith
October 23, 2025

Bioethics, Medicine

5}

Making eggs out of skin cells is just the latest example of an accelerating reproductive anarchy that is changing our very culture. Read More ›

^{Type
post

Author
Geoffrey Simmons

Date
May 17, 2025

Categories
Biology
Evolution
Intelligent Design
Tagged
, brain, Brian Miller, chemicals, complexity, David Klinghoffer, Doctor's Diary (series), double helix, egg, embryo, eyes, gene pool, genes, humor, information, intelligent design, Leonardo da Vinci, medicine, piano, Plato, Plato's Revenge, Richard Sternberg, skyscraper, sperm, Stephen Iacoboni, What Darwin Didn’t Know}

Doctor’s Diary: I Couldn’t Put Plato’s Revenge Down

_{Geoffrey Simmons
May 17, 2025

Biology, Evolution, Intelligent Design

5}

I rarely read a book as quickly as I read this text, and I virtually never read a book twice. Read More ›

^{Type
post

Author
Michael Egnor

Date
March 9, 2024

Categories
Bioethics
Biology
Medicine
Reproductive Science
Tagged
, death, doctors, egg, embryos, fetuses, human beings, human rights, ideology, in vitro fertilization, IVF, Judeo-Christian tradition, newborns, personhood, petri dish, pregnancy, right to life, sentience, sperm, Steven Novella, womb, Yale University}

The Humanity and Personhood of an Embryo

_{Michael Egnor
March 9, 2024

Bioethics, Biology, Medicine, Reproductive Science

8}

A sperm and an egg separately constitute a potential human. But when they unite, the result is a human being from the moment of fertilization. Read More ›

^{Type
post

Author
Andrew McDiarmid

Date
January 20, 2024

Categories
Engineering
Evolution
Intelligent Design
Tagged
, Bayesian reasoning, Charles Darwin, egg, evolutionary theory, foresight, forethought, ID the Future, Irreducible Complexity, Jonathan McLatchie, podcast, sexual reproduction, sperm}

Sex: Engineered for Success

_{Andrew McDiarmid
January 20, 2024

Engineering, Evolution, Intelligent Design

2}

Sexual reproduction depends on an irreducibly complex core of components for its success. Can we credit a gradual evolutionary process for this system? Read More ›

^{Type
post

Author
Jonathan McLatchie

Date
December 24, 2023

Categories
Biology
Evolution
Intelligent Design
Reproductive Science
Tagged
, bacterial flagellum, calcium ions, cervix, DNA, egg cell, fertilization, flagellum, foresight, Harvard University, human reproduction, infant, intelligent design, Irreducible Complexity, middle piece, mitochondria, ovum, seminal fluid, sperm, sperm cells, teleology, uterus, zygote}

No. 9 Story of 2023: Irreducible Complexity of Sperm Cells

_{Jonathan McLatchie
December 24, 2023

Biology, Evolution, Intelligent Design, Reproductive Science

8}

Human reproduction is perhaps the quintessential example of teleology in biology. Read More ›