Dendrites—branching structures that look like tree limbs—are fun to draw and good on neurons, but they’re generally best avoided in lithium-ion batteries. As ions are exchanged between the anode and ...

The information-processing capabilities of the brain are often reported to reside in the trillions of connections that wire its neurons together. But over the past few decades, mounting research has ...

Lithium-ion batteries have revolutionized the way we power our gadgets, and they even nabbed the Nobel Prize in Chemistry this year. But scientists want to make even more powerful versions. Replacing ...