Measuring exposure to pollution
Mobile-phone data helps researchers study an urban problem in greater detail.
Rohit Karnik seeks sustainable solutions through nanotechnology
Engineer’s designs may help purify water, diagnose disease in remote regions of world.
In batteries, a metal reveals its dual personality
Branchlike deposits grow on lithium electrode surfaces in two ways, one much more damaging.
Reducing runoff pollution by making spray droplets less bouncy
MIT researchers find a way to make pesticides stick to leaves instead of bouncing off.
Inferring urban travel patterns from cellphone data
Big-data analysis could give city planners timelier, more accurate alternatives to commuter surveys.
Pushing through sand
Simple equation predicts force needed to push objects through granular and pasty materials.
How machine learning can help with voice disorders
By detecting signs of vocal misuse, system from CSAIL and Mass General could eventually be used to help diagnose voice disorders.
New solar cell is more efficient, costs less than its counterparts
Exposed in step-like formation, layers of new photovoltaic cell harvest more of sun’s energy.
Unfriendly skies: Piston engine aircraft pose a significant health threat
Study shows long-lasting health, economic impacts of lead emissions from U.S. general aviation flights.
3-D printed structures “remember” their shapes
Heat-responsive materials may aid in controlled drug delivery and solar panel tracking.
Hacking microbes
Startup’s engineered yeast helps clients produce fragrances and flavors more efficiently.
Using light to control genome editing
New technique offers precise manipulation of when and where genes are targeted.
A mutual breakdown
Species relationships devolve from jointly beneficial to competitive in benign environments.