Nanoporous silicon that soaks up ions without self-destructing can make better batteries.
A mechanical device mimics how fish harness energy from water flow.
Treatments are being tested for three inherited forms.
Without a radically expanded and smarter electrical grid, wind and solar will remain niche power sources.
Recent efforts show hope for regional transmission planning for renewable power.
Startups may be drawn to the company's content-delivery network.
A silicon nanobeam uses optical force to do mechanical work in an integrated circuit.
A design that draws on jet engine technology could halve the cost of generating electricity from wind.
Scientists are developing new ways to manipulate the brain's normal plasticity.
A DNA chip could make it easier to diagnose rare conditions while the patient is still in utero.