Only a dozen such cell lines had been published in academic journals, and the number shocked scientists who were afraid they would not have enough embryonic stem cells to work with.

FORBES: Magazine Article

It noted segregated prisoners were not continually supervised, the accommodation was among the poorest in the prison system and prisoners did not have enough time out of their cells.

BBC: Gloucester Prison

The researchers said drugs that enhance the activity of calcineurin or NFAT could become a new treatment for type-2 diabetes, in which the beta cells do not produce enough insulin.

BBC: NEWS | Health | Hope for new diabetes treatment

The CNC-made cells are not only transparent enough to allow light to pass into an embedded semiconductor, but they also dissolve when submerged into water, thus earning the esteemed recyclable distinction.

ENGADGET

They have some ear cartilage-producing cells in that tissue, just not enough.

WSJ: Scientists use 3-D printing to help grow an ear

Scientists working on embryos say that stem cell research is in its infancy and not enough is known about the potential of either adult or embryonic stem cells to abandon one approach in favour of the other.

BBC: Q&A: UK stem cell first

You have to dry the vaccine without killing the cells in it, and you have to make the particles small enough to be inhaled but not so small that they are exhaled.

FORBES: Chutzpah Science