Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler and make many small adjustments to make sure it doesn't fall over. It ...

Red light therapy (RLT) uses short wavelengths of red light to treat certain conditions. Though it seems promising, more research is needed to confirm benefits. RLT is generally safe but may depend on ...

One of the joys of browsing secondhand shops is the possibility of finding old, perhaps restorable or hackable, electronics at low prices. Admittedly, they usually seem to be old flat-screen TVs, ...