By replacing traditional credit scores with mobile phone data, entrepreneur Shivani Siroya has pioneered an innovative way to think about trust.

These weird-looking, isolated aquatic creatures probably won’t star in a Pixar film anytime soon, but by studying them, we can learn about our planet’s past and its future, says evolutionary biologist and ichthyologist Prosanta Chakrabarty.

While the musical soundtrack is wholly a product of the imagination, everything else in this spellbinding animation of the HIV virus — created by Janet Iwasa — is based on the findings of researchers.

8 TED speakers show you how to nudge your mind toward the sunny side

Outraged at the incidence of sex crimes at colleges, activist Jess Ladd got mad — and then she got to building. Here’s how she developed a secure and sensitive reporting system that’s in use on 13 campuses.

Lawyer and activist Nighat Dad talks about the fight to create a more accessible internet for women and other marginalized groups in her home country of Pakistan.

After decades spent documenting faith communities around the world, photographer Monika Bulaj understands that our religions are more similar than we realize.