Promising medication for sleep apnea

Targeting a condition suffered by nearly a billion people worldwide, a new study has shown a drug previously used to treat depression can reduce obstructive sleep apnea (OSA) severity. While not yet identifying a cure, the authors say the study opens u…

Power supply: Understanding unstable grids

A sustainable energy supply requires the expansion of power grids. However, new transmission lines can also lead to grids becoming more unstable rather than more stable, as would be expected. This phenomenon is referred to as the Braess paradox. Resear…

Good planning gets the bike rolling

Turning it downside up: Novel, network-dynamic planning approach for urban bike path infrastructure enables demand-driven design of cycling networks by reversing the usual approach. The new concept could improve the bike-friendliness of cities — and t…