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A mouse’s nerve cell has broken open to showcase vibrantly colored sacs, which house its neuro transmitters, the chemical messengers neurons use to communicate with one another and with other cells. [More]

Too much sun, smoking and a poor diet can make us look older.

“You are what you eat.” The old adage has for decades weighed on the minds of consumers who fret over responsible food choices. Yet what if it was literally true?

Billions of years ago, organic chemicals in the primordial soup somehow organized themselves into the first organisms. A few years ago scientists found that something similar happens every once in awhile in the cells of all living things: bits of once-quiet stretches of

Could make stem cell-rich umbilical cord blood stored in case the cells are needed to treat illnesses in future inaccessible

Using an ultrafast femtosecond laser, researchers at Tufts University in Medford, Mass., were able to label, draw patterns on, and remove individual melanocytes cells from a species of frog tadpole (Xenopus) without damaging surrounding cells and tissues.

Scientists have long known that healthy cells looked and behaved differently from cancer cells. For instance, the nuclei of healthy cells -- the inner part of the cells where the chromosomes are stored -- tend to have a rounder surface than the nuclei in cancerous cells.

Key concepts Cells [More]