A newly discovered 3rd circulatory system in our body? There will be a massive medical consequence! www.nytimes.com/interactive/...

I heard the story firsthand from Bob Mason, the snake researcher at OSU. Hope it perks up the day. youtu.be/HTE99oI2FaU?...

Tannyson's "Nature red in tooth and claw" is wrong. It's governed by rules of "Live & Let Live." Here is how social contract evolved. TGIF! youtu.be/h1eFtnTf_wU?...

Sperm competition was proposed partly as a joke by Geoff Parker some 50 years ago. It's a serious scientific endeavor now. Hope this short adds a little fun. youtu.be/awgPRD3mCMU?...

About human nature, do you agree with Rousseau or Hobbes? This little-known true story is a good test. youtube.com/watch?v=sfRO...

Frateral birth order & sexual orientation. My science videos about cell & molecular biology tend to be less impactful. Love to know your insights to improve. youtu.be/v4CYNrtiLcs?...

Can your fingers reveal your prenatal gender development? I have doubts, but I can only speak for data. Let me know what you think. youtu.be/uZxk9A4Sfbk?...

When males get pregnant...Let me know whether your cortisol level goes down 2 minutes later. youtu.be/6FMHjvAbIQE?...

Ever done a team project & hated the guy who took advantage of others? See how fish solve this free riding problem. youtu.be/fcudFNjWpuA?...

Males have testes; females have ovaries. Not true for European moles. Females have both, sth even not in our biology textbooks. youtu.be/Z3UiTp2hbgk?...

Hyenas show why gender is an attribute biology is yet to appreciate. Bty, gender has no concesus in its biological meaning. youtu.be/5eiFehrvKpM?...

Gender flip in jacanas: males make nest, hatch eggs, & take care of chicks. Females goof around. This jacana inspired me to be a bird lover in '84. youtu.be/KSurCiCXPag?...

Male bees don't have fathers due to a strange sex determining system called haplodiploidy. Fun to talk about it in behavior classes. youtu.be/zbYUL632Z-8?...

Temperature determines sex? I was shocked to learn this in 1986. Later, my lab tried to pin down the role of dmrt1 in the process. We failed, unfortunately. youtu.be/xB58K9mT9qY?...

~ 500 species of fish change sex, inclusing clowndish, wrasse, & swamp eel (黄鳝). This is a story for about 30 species of clownfish. youtu.be/-ZdSkBl2m4o?...

The duck-billed platypus is the sexiest animal by one measure: it has 10 sex chromosomes. There is no Sry master regulatory gene either. youtu.be/Jpxojhl6Vkk?...

This marine worm has the most flexible sex determination system I've learned. A proportion of them also use genetic sex determination. Is the use of my accented voice in the clip acceptable? youtu.be/mX0IfNL-Ei4?...

Cost of male is just part of the story. Sex also breaks down the genome. Not sure you'd agree with my coining of "social cost." youtu.be/BW1-KKg23Ow?...

A fun chat with BBC's Adam Rutherford about the all-important or stupid question: why sex? Why male? www.bbc.com/audio/play/m...

More than 23,000 sexes in the split-gill mushroom? The popular media got this wrong. It has only ONE sex. Here is why. youtu.be/QGjc3pWA5wg?...

This radical t-complex was unknown when Richard Dawkins published his book, The Selfish Gene, in 1976. youtu.be/DRnNCWZJpPo?...

Glad the review captures the core idea about the adaptive value of fluid sex & gender. www.newscientist.com/article/2521...

So much confusion out there about biological sex. Here is the classical definition in a seminal paper led by Geoff Parker (1972). Your thought? youtu.be/VyvWnIGEPMs?...

This idea 50 years ago has changed my view of life forever. It made me love biology. youtu.be/708-7MWLMHw?...

Genetic rescue is a powerful tool in saving critically endangered populations. youtu.be/HgBMUaVS9mo?...

Genetic rescue is a powerful tool in conservation. Hope you enjoy the story in this short video. youtube.com/watch?v=HgBM...

Small is beautiful, especially in solving big scientific puzzles. youtube.com/watch?v=mCPP...

How can these 450 species of animals survive up to 80 million years by cloning? The secret? Horizontal gene transfer. youtube.com/watch?v=4Dbi...

Friday 1-minute fun with science. Your questions and suggestions are particularly appreciated! youtube.com/watch?v=buni...

Ever wondered whether males are evolutionarily useless? Here is the answer. youtube.com/watch?v=oigk...

Kirkus often does nasty reviews. But they didn't this time. Phew! ON THE ORIGIN OF SEX | Kirkus Reviews share.google/PkgsSw7ap5rA...

The review is great, though the cover pic is irrelevantly risque. Haha! The Evolutionary Paradox of Sex – Sri Lanka Guardian share.google/HaORe4c1zplA...

A quick rundown about On the Origin of Sex. The youtuber did well despite a few slivers. youtu.be/IHCubiXEY4g?...

On the Origin of Sex made it. The best new popular science books of March 2026 include a new book from Rebecca Solnit | New Scientist share.google/lWzmrVWYFQEm...

The birth of my new book today! Hope it gives you sime fun.

A delight interview with Sally McDonald of The Sunday Post. share.google/DSgQH036M2Yc...

The Times' review on the UK edition of On the Origin of Sex, avaible on March 5. www.thetimes.com/culture/book...

Hope the Swift-esque humor in this little piece can make you laugh at ourselves. Why Babies Are Cute | Psychology Today South Africa share.google/nXasNo7BGmbH...

A new, fun blog piece. Enjoy! Why Critical Thinking Is the Most Important Skill in Your Life | Psychology Today share.google/UFz5a678cCG5...

Hope Bayesian thinking helps. www.psychologytoday.com/us/blog/lies...

Is soul for real? One of America's best essayists, David Barash makes a compelling anser in his new book, The Soul Delusion Losing the Soul, Finding Ourselves | Psychology Today share.google/XhgRAKvdFDI4...

"Sex chromosome" is a century-long misnomer. Here is why. www.psychologytoday.com/us/blog/lies...

After 4 years working my ass off, here is the result: British release, March 5, 2026 by Profile Books; American release, June 30 by Basic Books. Pre-order is open now. Thank you all for your support!

When AI cheats, who is responsible? www.psychologytoday.com/us/blog/lies...

3 decades of research has changed our views about sex in birds and mammals. www.psychologytoday.com/us/blog/lies...

In nature, “love” can mean swiping sperm from another species. Hope this one makes you laugh! Sex Without the Strings | Psychology Today www.psychologytoday.com/us/blog/lies...

www.psychologytoday.com/us/blog/lies... My review of Agustin Fuentus's new book, Sex Is A Spectrum.