Humans

The company touts AI that peppers its conversation with "uh" and "hmm" to imitate the tics of human speech. Many observers took issue with how the bot apparently tricked a human on the phone.

Diseases like cancer involve changes that occur inside a cell — and usually out of sight. A new technology can reveal a cell's inner workings, using inexpensive graphics processors from video games.

Early findings on infants born with neonatal abstinence syndrome are reassuring, and doctors are optimistic that normal development can continue. Making sure parents are treated for addiction is key.

Ocular melanoma typically affects 6 out of every 1 million people, but doctors have found dozens of cases where the patients have connections to either Huntersville, N.C., or Auburn, Ala.

A new study suggests that modern-day Chinese might behave differently in coffee shops — depending on whether their ancestors grew rice or wheat.

In this latest form of self-harming behavior, adolescents anonymously post mean or derogatory comments about themselves on social media as a way of managing feelings of sadness or self-loathing.