UPS adding to electric truck fleet

UPS says it will soon start using electric delivery trucks that cost the same as conventional diesel- or gas-fueled ones.

Toenail fungus gives up sex to infect human hosts

The fungus that causes athlete's foot and other skin and toenail infections may have lost its ability to sexually reproduce as it adapted to grow on its human hosts.

Engineers advance the capability of wearable tech

Creating the perfect wearable device to monitor muscle movement, heart rate and other tiny bio-signals without breaking the bank has inspired scientists to look for a simpler and more affordable tool.

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