Advanced genetic tools could help boost crop yields and feed billions more people.
Availability: 10-15 years
Studying the pre-Islamic State tweets of people who end up backing the organization paints a revealing picture of how support emerges, say computer scientists.
A promising advance that came to nothing suggests what it will take to make cheap batteries for electric cars.
A comprehensive project to catalogue all the birds in North America has identified what may be 15 new species.
A novel fuel-injection system achieves 64 miles per gallon.
A startup is developing a simple ultrasound method to get cancer drugs into the brain.
Tesla launches a stationary battery aimed at companies with variable electricity rates and homes with solar panels.
A supercomputer specialized for the machine-learning technique known as deep learning could help software understand us better.