hermaphrodite
Famed Pediatric Endocrinologist Dies
Famed Pediatric Endocrinologist Dies
Kerry Grens | Dec 6, 2016
Melvin Grumbach, a clinician and researcher who described the hormonal dynamics of puberty and numerous endocrine disorders, has passed away at age 90.
Self-fertilizing Worms Stab Their Own Heads
Self-fertilizing Worms Stab Their Own Heads
Amanda B. Keener | Jul 1, 2015
The flatworm, Macrostomum hystrix, can inject its own sperm into its head, a new study shows.
Semen Says
Semen Says
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.
Sexually Confused Dog
Jef Akst | Sep 23, 2011
A female bulldog with testicles but no SRY gene considered scientific anomaly.