I wake up in the morning and look in the mirror. I shower and do my hair and makeup in front of a vanity mirror, then get dressed with the help of my full-length mirror. I have three mirrors in my ...

In a groundbreaking discovery, octopuses have demonstrated an ability previously thought exclusive to vertebrates: using ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. You've heard about "being scared of your own shadow," but what about ...

Imagine you are a doctor during a deadly epidemic. As your hospital becomes overwhelmed with infected patients, you receive a vaccine that can prevent healthy people from contracting the virus, but it ...