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Researchers Develop Sperm-Robot Hybrids to Deliver Drugs, Assist Fertilization
Diana Kwon | Apr 1, 2018
The artificially motorized cells may one day help fight cancers in the female reproductive tract.
New Techniques Detail Embryos’ First Hours and Days
Jef Akst | Dec 1, 2017
New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.
Infographic: How Embryos Take Control of Their Own Development
Jef Akst | Nov 30, 2017
The switch from maternal factors involves dynamic reprogramming of the zygotic genome.
Three-Parent IVF Advances
Anna Azvolinsky | Nov 30, 2016
Differences in the replicative advantages conferred by some mitochondrial DNA haplotypes have implications for mitochondrial replacement therapy, researchers report.
Ocean Acidification Affects Fish Spawning
Alison F. Takemura | Jul 26, 2016
Researchers report the first evidence that acidified waters alter the ocellated wrasse’s reproductive behavior in the wild.
Inhibiting Sperm Protein Causes Infertility
Karen Zusi | Oct 5, 2015
Two drugs targeting a protein in sperm cause reversible infertility in male mice, providing new hope for a male contraceptive.
Rina Shaikh-Lesko | Jul 1, 2014
Scientists report for the first time that a snail’s seminal fluid proteins can suppress the mating success of the male side of its hermaphroditic partner.
Spiders Try to Ensure Paternity
Bob Grant | Jun 11, 2014
Male dwarf spiders deploy sperm-blocking plugs to thwart the reproductive chances of their mate’s subsequent suitors.
Female Pigs May Sense Sex of Sperm
Anna Azvolinsky | May 21, 2014
The oviducts of pigs exhibit different gene expression profiles depending on their exposure to sperm with either an X or a Y chromosome, a study shows.
Coming to Terms
Anna Ajduk and Magdalena Zernicka-Goetz | Nov 1, 2012
New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.