Developmental biology is the field of biology that studies the processes by which multicellular organisms grow and develop, controlled by their genes. Knowledge of normal developmental processes can ...

Embryonic stem cells are pluripotent cells isolated from the inner cell mass of a blastocyst, the early mammalian embryo that implants into the uterus. Embryonic stem cells self-renew by dividing and ...

This work found the occurrence of a distinct sialic acid-rich polysaccharide in the sperm surface of the sea urchin Lytechinus variegatus, which differed significantly from a similar molecule found in ...

The Amazon is at risk of reaching an irreversible tipping point. An estimated 17% of Amazon forests have been converted to other uses and an additional 17% degraded. The pressures on the Amazon are ...

† Department of Chemistry, Colorado State University, 1872 Campus Delivery, Fort Collins, Colorado 80523, United States ‡ Department of Civil and Environmental Engineering, Colorado State University, ...