Hotter temperatures may render natural insect repellents less effective against mosquitoes, according to a new study.

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 ...

Another focus of our lab is to analyze early frog development when fertilized frog eggs undergo developmental cell divisions that result in reduced cell and nuclear size. We will determine what ...

Cells also differ in size. Although cells can be quite large — consider a frog's egg, for example — most are too small to see with the naked eye. Indeed, the development of light microscopy ...