Do we need or want a "space mirror?"

A Big Night Light in the Sky? Start-Up Wants to Launch a Space Mirror.mThe company is seeking F.C.C. approval to test an idea to reflect sunlight to Earth at night, possibly powering solar panels. Critics say it could be bad for people and wildlife.

Watching the clock drags performance down, and optimism about the future does the opposite. Managers who understand this can help boost engagement.

Many of us struggle to focus enough to read a whole book. Neuroscience says that’s terrible news for our brains but offers a fix.

Why are some people convinced that nefarious experiments are happening at HAARP?