African Killifish Are the Fastest-Maturing Vertebrates
African Killifish Are the Fastest-Maturing Vertebrates

A new study finds the fish begin reproducing at two weeks of age.

African Killifish Are the Fastest-Maturing Vertebrates
African Killifish Are the Fastest-Maturing Vertebrates

A new study finds the fish begin reproducing at two weeks of age.

A new study finds the fish begin reproducing at two weeks of age.

developmental biology
Image of the Day: Single Origin
Image of the Day: Single Origin
Sukanya Charuchandra | Aug 10, 2018
Despite being made of different materials, zebrafishes’ and land animals’ scales form in a similar process.
These Molecules Zipper Embryos Closed
These Molecules Zipper Embryos Closed
Ashley Yeager | Aug 1, 2018
Actin rings seal off the ball of cells, aiding in implantation in the uterus. But faults in the process could explain why some pregnancies fail.
Infographic: Embryonic Zippering
Infographic: Embryonic Zippering
Ashley Yeager | Aug 1, 2018
How actin seals embryos early in development
Image of the Day: Bundle of Nerves
Image of the Day: Bundle of Nerves
Sukanya Charuchandra | Jul 26, 2018
Live-cell imaging reveals the secrets of innervation in the pancreas of zebrafish.
Artificial Mouse Embryo Made in a Laboratory
Artificial Mouse Embryo Made in a Laboratory
Sukanya Charuchandra | Jul 25, 2018
The embryo, grown in a dish from several types of stem cells, went through gastrulation, a significant stage in development.
Image of the Day: Not All Bad
Image of the Day: Not All Bad
Sukanya Charuchandra | Jul 16, 2018
In zebrafish, some amount of reactive oxygen species is required for normal development.
Amazonians Offer Clues to Human Childhood Development
Amazonians Offer Clues to Human Childhood Development
Shawna Williams | Jul 1, 2018
A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.
Risk of Dying Levels Off in Super Old Age: Study
Risk of Dying Levels Off in Super Old Age: Study
Kerry Grens | Jun 28, 2018
The researchers say that their results are evidence we haven’t yet reached a limit to human lifespan.
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Sukanya Charuchandra | Jun 19, 2018
Species with larger pancreatic cells tend to have shorter lives, according to a study.