FoodMarble Aire 2 review: Tracking digestion with your breath
The FoodMarble Aire 2 claims to be able to use breath-testing to track gut issues -- but does it really help track down gut ...
How the SAVE Act may affect registering to vote for women, other groups
Research suggests up to 34% of voting-age women don't have documents proving citizenship with their current legal name.
Swiss aviation pioneer is developing a plane powered by green liquid hydrogen - AP explains
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by green liquid hydrogen after a much-hyped flight in 2015 that used sunlight to travel around the world.
Innovators gear up work on ‘green’ hydrogen plane with plans for nonstop 9-day trip around Earth
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...