Japanese art inspires scientists to create self-folding structures small enough to float through the bloodstream.
A panel of researchers discussed the need for a system to warn the public about health risks from wildfire smoke, similar to the National Weather Service's heat advisory.
An experiment half a century ago created an industry that specializes in freezing the dead. Many scientists think the chance of reviving them is slim.
Two new studies find that electronic device use near bedtime is linked with poor sleep in adults and children.