Kidney-on-a-chip may save lives

​Because they filter our blood, our kidneys are particularly susceptible to damage from toxins in our bloodstream. So, how do drug developers know how much is safe? Typically, it's through animal testing, although researchers have now developed something more accurate – a "kidney-on-a-chip."​

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Heart-on-a-chip beats a steady rhythm

Researchers at the University of California at Berkeley (UC Berkeley) have taken adult stem cells and grown a lattice of beating human heart tissue on a silicon device. This new system presents advantages in both a potential reduction in animal vivisection and a possible increase in testing speeds.

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