Mark your calendar: All infectious diseases are seasonal
Most of us are aware of the seasonal cycle of influenza outbreaks, which for Americans peak in the winter. Scientists now make a case...
How many calories do you burn? It depends on time of day
Researchers have made the surprising discovery that the number of calories people burn while at rest changes with the time of day. When at...
Extending the life of low-cost, compact, lightweight batteries
A new method can greatly extend the life of inexpensive, compact, lightweight metal-air batteries.
Ancient DNA evidence reveals two unknown migrations from North to South America
A team has used genome-wide ancient DNA data to revise Central and South American history. Their analysis of DNA from 49 individuals spanning about...
Can’t sleep? Fruit flies and energy drinks offer new clues
Like humans, fruit flies are active during the day, sleep at night and have similar sleep characteristics. A study has discovered a new gene...
Harvesting renewable energy from the sun and outer space at the same time
Scientists have demonstrated for the first time that heat from the sun and coldness from outer space can be collected simultaneously with a single...
See-through film rejects 70 percent of incoming solar heat
Engineers have developed a heat-rejecting film that could be applied to a building's windows to reflect up to 70 percent of the sun's incoming...
Watch a 3D-engineered human heart tissue beat
Researchers have developed a way to grow human heart tissue that can serve as a model for the upper chambers of the heart, known...
Creating better devices: The etch stops here
Researchers have discovered a new, more precise method to create nanoscale-size electromechanical devices.
Patients with untreated hearing loss incur higher health care costs over time
Older adults with untreated hearing loss incur substantially higher total health care costs compared to those who don't have hearing loss -- an average...
