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tag asexual reproduction developmental biology culture

Microfluidics: Biology’s Liquid Revolution
Laura Tran, PhD | Feb 26, 2024 | 8 min read
Microfluidic systems redefined biology by providing platforms that handle small fluid volumes, catalyzing advancements in cellular and molecular studies.
An illustration of flowers in the shape of the female reproductive tract
Uterus Transplants Hit the Clinic
Jef Akst | Aug 1, 2021 | 10+ min read
With human research trials resulting in dozens of successful deliveries in the US and abroad, doctors move toward offering the surgery clinically, while working to learn all they can about uterine and transplant biology from the still-rare procedure.
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
Agustín Fuentes | May 12, 2022 | 5 min read
Evidence from various sciences reveals that there are diverse ways of being male, female, or both. An anthropologist argues that embracing these truths will help humans flourish.
Old ovaries, new eggs
Tia Ghose | Apr 11, 2009 | 2 min read
Are female mammals born with all the eggs they'll ever have, or can they produce new eggs into adulthood? The question has been vociferously debated, but now, a study published online in Nature Cell Biology today (April 12) reports that at least in mice, adult female ovaries have a store of stem cells that have the potential to generate new eggs. Human oocyte Image: Wikimedia CommonsThe study "is a huge step in quelling this debate," Jonathan Tilly, a reproductive biologist at Harvard Medical
Genetics Models Move Beyond Drosophila and the Humble Lab Mouse
Amber Dance | Sep 1, 2019 | 8 min read
Organisms with unusual genomes are helping scientists investigate gene regulation, evolution, and development.
The Science Of Sex: What Is It And Who's Doing It?
Neeraja Sankaran | Mar 20, 1994 | 9 min read
Although it is a widespread field of study, sex research-- particularly that dealing with human sexuality--is still subject to stigma, many scientists agree. "It's okay to use sex for advertising--Pepsi, beer, and Calvin Klein jeans--but when it comes to research, sex is still a bad word," says Robert Friar, a professor at Ferris State University in Big Rapids, Mich., where he teaches anatomy and physiology and a course on human s
The Science Of Sex: What Is It And Who's Doing It?
Neeraja Sankaran | Mar 20, 1994 | 9 min read
Although it is a widespread field of study, sex research-- particularly that dealing with human sexuality--is still subject to stigma, many scientists agree. "It's okay to use sex for advertising--Pepsi, beer, and Calvin Klein jeans--but when it comes to research, sex is still a bad word," says Robert Friar, a professor at Ferris State University in Big Rapids, Mich., where he teaches anatomy and physiology and a course on human s
The Rodent Wars: Is a Rat Just a Big Mouse?
Ricki Lewis | Jul 4, 1999 | 5 min read
Sometimes it seems as if genome projects are cropping up everywhere.1 But until costs come down, limited resources are being largely concentrated into what Joseph Nadeau, professor of genetics at Case Western Reserve University School of Medicine, calls "the genome seven," an apples-and-oranges list of viruses, bacteria, fungi, Arabidopsis thaliana, Drosophila melanogaster, Caenorhabditis elegans, and mouse, with Homo sapiens in its own category.2 Researchers widely acknowledge that in the rod
Cloning Capsized?
Ted Agres | Aug 19, 2001 | 10+ min read
Biopharmaceutical researchers fear how pending federal legislation outlawing the cloning of human cells will restrict their abilities to find cures for major degenerative diseases.1,2 Some also see lawmakers impinging on established nonhuman cloning techniques essential for the discovery of new drugs and therapies. The source of all this worry? The US House of Representatives passed July 31 by a wide margin a bill (H.R. 2505) sponsored by Reps. David Weldon (R-Fla.) and Bart Stupak (D-Mich.) th
Epigenetics: Genome, Meet Your Environment
Leslie Pray | Jul 4, 2004 | 10+ min read
©Mehau Kulyk/Photo Researchers, IncToward the end of World War II, a German-imposed food embargo in western Holland – a densely populated area already suffering from scarce food supplies, ruined agricultural lands, and the onset of an unusually harsh winter – led to the death by starvation of some 30,000 people. Detailed birth records collected during that so-called Dutch Hunger Winter have provided scientists with useful data for analyzing the long-term health effects of prenat

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