Muscle and bone from an ink-jet printer

Biology /

Dec 10, 2006 | 4.7 / 5 (19) | 0

A Pittsburgh-based research team has created and used an innovative ink-jet system to print "bio-ink" patterns that direct muscle-derived stem cells from adult mice to differentiate into both muscle cells and bone cells.

Regulating the nuclear architecture of the cell

Biology /

Dec 10, 2006 | 3.7 / 5 (10) | 0

An organelle called the nucleolus resides deep within the cell nucleus and performs one of the cell's most critical functions: it manufactures ribosomes, the molecular machines that convert the genetic information ...

Evolution and the workaround

Medicine & Health / Cancer

Dec 10, 2006 | 4 / 5 (7) | 0

Living things are resourceful, which is a comforting thought unless the living thing in question is a pathogen or a cancer cell. Noxious cells excel at developing drug resistance, outwitting immune systems, and evading cellular ...

From managing sugar to managing healing

Medicine & Health / Research

Dec 10, 2006 | 4.7 / 5 (3) | 0

Insulin is a hormone known primarily for regulating sugar levels in the blood, yet researchers at the University of California, Riverside, recently found that applying insulin directly to skin wounds significantly enhanced ...

Embryonic patterning makes the feathers fly

Biology /

Dec 10, 2006 | 3 / 5 (3) | 0

How the chicken got its feathers in the right place is not a Rudyard Kipling “Just So” story, but an illustration of how simple causes can stack up into complicated results. For a chicken, it’s the difference between having ...