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Emerging from Silence: Capturing the First Heartbeat
Emerging from Silence: Capturing the First Heartbeat
In the developing zebrafish, a noisy and asynchronous activity jumpstarts the heart’s journey to coordinated beating.
In the developing zebrafish, a noisy and asynchronous activity jumpstarts the heart’s journey to coordinated beating.
zebrafish embryo
DNA Damage Makes Zebrafish Sleepy
Sophie Fessl, PhD | Nov 18, 2021 | 4 min read
Buildup of a DNA-repair protein in brain cells spurs shut-eye in the fish, a study finds, and similar results in mice suggest the mechanism is widespread in animals.
Regulators of Gene Activity in Animals Are Deeply Conserved
Amanda Heidt | Nov 6, 2020 | 5 min read
Enhancers, short regions of DNA that direct gene expression, of species separated by 700 million years of evolution worked interchangeably, according to a new study.
Effects of Antidepressants Span Three Generations in Fish
Diana Kwon | Dec 10, 2018 | 4 min read
Fluoxetine dampened stress responses in zebrafish embryos exposed to the drug—and their descendants.
Image of the Day: The Birth of a Nervous System
Jef Akst | Oct 2, 2018 | 1 min read
The winner of the 2018 Nikon Small World in Motion video competition shows the development of sensory neurons in a zebrafish embryo.
Image of the Day: Not All Bad
Sukanya Charuchandra | Jul 16, 2018 | 1 min read
In zebrafish, some amount of reactive oxygen species is required for normal development.
Caught on Camera
The Scientist Staff | Apr 1, 2018 | 2 min read
Selected Images of the Day from the-scientist.com
Zebrafish and Medaka Can Sense Magnetic Fields
Shawna Williams | Mar 19, 2018 | 3 min read
Unlike in some animals, their sense of magnetoreception appears to be independent of blue light.
Image of the Day: Embryonic Ripples
The Scientist Staff | Jul 26, 2017 | 1 min read
This fluttering clump of colorful cells is a zebrafish embryo, visualized by many stacked images.