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On the Basis of (Fish) Sex  

by Emily Goeringfigures by Andrea Luviano Did you know that sea lampreys are more likely to grow into males if they aren’t fed enough food? Or that one type of shrimp produces male offspring in the long days of summer, but females in shorter fall…

Zebrabow

Zebrabow embryos express random combinations of red, green, and blue fluorescent proteins, revealing a spectrum of unique hues. These same hues can be used to ‘barcode’ individual stem cells to track their birth and contribution to tissues as the embryo…

Coloring Nemo: Because now you can!

If you grew up watching Finding Nemo and treasuring little colourful fish in your home mini aquarium, I have very cool news for you. Scientists have now found a way to color small fish like organisms with thousands of fluorescent colors – one for…