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Amy Kurzweil never met her grandfather Fred. But with the help of AI and an extensive archive of Fred's writings, she was able to "speak" with him in the form of a chatbot... decades after his death.

Why do we react harshly when we listen to recordings of ourselves? Voice expert Rebecca Kleinberger explains the mechanics of how we hear our own voice—and why that elicits mixed feelings.

Black women are dying from preventable, obesity-related diseases, more than any other group in the U.S. GirlTrek co-founder Vanessa Garrison is asking Black women to take one immediate step: to walk.

Neuroscientists have long been frustrated that they cannot access or examine brain tissue. But by reserve-engineering cells in the lab, Sergiu Pașca can now study brain disorders on a molecular level.

President Trump talks about putting tariffs on foreign cars. But there are already tariffs on auto imports and one got there because of chickens in Germany. This is how trade barriers tend to spread.

Karol Nawrocki, a 42-year-old historian and amateur boxer, is new to politics and ran as an independent but was backed by the right-wing Law and Justice (PiS) party.

Cognitive neuroscientist Irena Arslanova says our brain perceives time but our body shapes how we experience it. She shares how our heartbeat influences whether we experience time moving fast or slow.

Social norms vary dramatically from one culture to another — but why? Psychologist Michele Gelfand unpacks why societies and individuals develop either tight or loose attitudes toward rules.

At an early age, Tavares Strachan noticed there was a lot missing from his family's encyclopedia. Today, the artist searches for lost stories to include in his own Encyclopedia of Invisibility.

Anna Maria Coclite is developing artificial skin, even more sensitive than our own. For burn victims and beyond, this "smart skin" has the potential to restore sensation to our body's largest organ.