Nature: Harvard University’s Charles Lieber and his colleagues have developed an electrical probe that’s so tiny it can be inserted into a cell’s membrane without disrupting it. To make the probe, Lieber’s team took a silicon nanowire, bent it into a hairpin, coated it with lipids (the same type of molecules make up the membrane), and attached it to a tiny field-effect transistor. A paper describing the probe’s fabrication, operation, and performance appears in today’s issue of Science.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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