Choose your poison Remember Planarity? The online solitaire of untangling a web of lines connected to dots?
Behold Untangle, which is prettier and automatically registers completing a round instead of making you hit a checkmark. On the other hand, Untangle doesn't display your time.
Scientists have washed the cells out of a rat heart, then reseeded the remaining connective tissue structure with heart cells from newborn rats. The resulting composite heart beats--only at 2% capacity, but that's still quite promising.
It's a long way from there to anything useful to humans, but this is a nice combination of Shiny! and Macabre!
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