a tiny building block that contains all the information necessary for the survival of any plant or animal. It is also the smallest unit of life... more
Cells, Frozen in Time
Risa Aria Schnebly
If a living organism freezes, it can die. But by freezing living cells at just the right temperature, scientists can preserve living cells instead of killing them.
Getting to Know the Germ Layers
Claudia Nunez-Eddy
Risa Aria Schnebly
Almost all life forms start out as small cells, but how do they grow into entire animals? Read about the first step here: when cells in an embryo form germ layers that give rise to every organ and tissue in the body.
Michelle Di Palma
Megan McCaughan
Kimberly Olney
Emily Webb
Connor Chato
Diabetes affects nearly one tenth of the population in the United States, but we still have a lot to learn about the disease. Researchers are finding that a lack of specific proteins might reduce our abilities to absorb sugar, making it a key player in the diabetes problem.
Randal J. Kaufman
Philip Li
Justin Hassler
Mushrooms can be mysterious. You might know that some are poisonous while others can be tasty, but did you know that a few kinds can be used as medicine? Learn more about the new ways scientists are using mushrooms to treat cancer.
Megan Turnidge
This set of bits will teach you about the tiny world on which life depends:
the parts inside a cell.
Karla Moeller
This set of bits will teach you about the tiny pieces that you are made of: your very own cells.
CJ Kazilek
This set of bits will teach you about the system that senses the world around you and controls your body: your nervous system.
Patrick McGurrin