Learn more about the economic issues that were debated by the Democratic presidential candidates in Atlanta on Nov. 20.

Paid family leave and pay equity came up, but on the whole, the remaining Democratic candidates tend to give 'women's issues' short shrift.

Both political parties are trying to draw analogies between the impeachment process and a criminal trial – for political reasons, not legal ones.

The technician who gave you that shiny manicure may be inhaling dangerous levels of toxic chemicals on the job.

The percentage of Christians in Turkey declined from nearly 25% in 1914 to less than 0.5% today. Their future looks even more uncertain in today's political climate.

For decades, animators have attempted to recreate realistic human faces without entering what's called the 'uncanny valley.'

Tryptophan, found in food, is an important ingredient in the neurotransmitter serotonin. But is that enough to support it as a possible mood booster? The research is decidedly mixed.

Every person's blood is identified by type. Why does this matter?

As protests raged across Chile last month, President Piñera repeatedly addressed the nation. Researchers fed his speeches into an AI system to assess the emotions behind his words.

Universal screenings for childhood trauma, like the ones being implemented at California schools, may cause more harm than good, a scholar argues.

An employment law expert explains why you shouldn't use an age-related insult at work to demean an older colleague.

A resonance theory of consciousness suggests that the way all matter vibrates, and the tendency for those vibrations to sync up, might be a way to answer the so-called 'hard problem' of consciousness.

Masting is what biologists call the pattern of trees for miles around synchronizing to all produce lots of seeds – or very few. Why and how do they get on schedule?