The cells on one side of each wool fiber are longer than the cells on the other, researchers find. 

Researchers explore genetic engineering to produce super-tough fibers.

Kraig Biocraft Laboratories has genetically engineered a silkworm to spin spider silk, which might be used for futuristic products.

Scientists improve upon the optical microscope using a readily available natural material.

An artist takes advantage of muscle-mimicking polymers to manipulate sounds.

Dame Julia Polak, who pioneered lung tissue engineering techniques, has passed away at age 75.