under the microscope

Self-healing potassium batteries

The question of what’s next after Lithium is a big one for the battery business. “Potassium metal batteries could offer a cheap, long-life alternative to lithium cells with similar energy density, but thus far they’ve been held back by dendrite […]

under the microscope

Power generation from ambient humidity

Yet another way to harvest clean renewable energy from our environment. “Here we show that thin-film devices made from nanometre-scale protein wires harvested from the microbe Geobacter sulfurreducens can generate continuous electric power in the ambient environment.” | learn more

under the microscope

The branch of life we barely know about

“The discovery of the CPR [Candidate Phyla Radiation] superphylum was (and remains) one of the most remarkable developments in our growing realization that the genetic diversity of the microbial world is unimaginably vast.” It’s thought to contain a quarter of […]

under the microscope

Can Twitter save science?

This is a must-read for anyone with an interest in science who doesn’t already know all the gory details of its troubles. “This week, here are three intertwined stories about positional scarcity from this strange world: 1. How an “indentured […]

under the microscope

A tiny brain implant wakes monkeys from comas

“…[T]he Wisconsin team used much smaller electrodes to precisely target the central lateral thalamus. They also designed the electrodes to match this region’s shape. When they flipped on the stimulation, it had an immediate effect on the monkeys.” | learn more