A gametophyte of the brown alga <em>Desmarestia dudresnayi</em> that has both male and female reproductive structures
Meet the Algae That Went from Male/Female to Hermaphroditic
A study suggests that several species of brown algae may have independently evolved to express both sexes simultaneously, and it’s likely that female algae evolved male traits—not the other way around.
Meet the Algae That Went from Male/Female to Hermaphroditic
Meet the Algae That Went from Male/Female to Hermaphroditic

A study suggests that several species of brown algae may have independently evolved to express both sexes simultaneously, and it’s likely that female algae evolved male traits—not the other way around.

A study suggests that several species of brown algae may have independently evolved to express both sexes simultaneously, and it’s likely that female algae evolved male traits—not the other way around.

hermaphrodite
illustration of purple mitochondrion within a cell
Rogue Mitochondria Turn Hermaphroditic Snails Female: Study
Patience Asanga | May 19, 2022
The accidental finding marks the first time a phenomenon called cytoplasmic sterility, known to occur in plants, has been found in animals.
Famed Pediatric Endocrinologist Dies
Kerry Grens | Dec 5, 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
Amanda B. Keener | Jul 1, 2015
The flatworm, Macrostomum hystrix, can inject its own sperm into its head, a new study shows.
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.