When Xenopus frog eggs are experimentally ruptured, their cytoplasm rearranges itself to form compartments similar to cells, according to a study published October 31 in Science. The researchers, led ...

Frogs mate in a position called amplexus, with the smaller male clasping the female from behind in a ride that can last two days or more. As she lays eggs, he expels sperm to fertilize them.

Amphibians play an important part in the food chain eating insects ... In the spring, female frogs lay thousands of eggs in pools or streams. Little black dots in clear jelly balls called frog ...

Part of the work in the Levy lab is focused on translating ... Another focus of our lab is to analyze early frog development when fertilized frog eggs undergo developmental cell divisions that result ...