Tomorrow's tools
For better testing, nanomaterial membranes, and good air.
Ideas with a vision
Easing ECG tests, cotton farming and lab lessons.
Promising solutions
Start-ups are battling heat, excessive energy use, and impurities.
Gait, set, go
Innovators focus on nasal walls, batteries and health.
New ideas: sell, cell, gel
Start-ups focus on production, insect detection and solar panels.
