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Many people want to help in the ongoing struggle for equality and equity, but they don’t know what to do. Activist DeRay Mckesson explains how we can all show up and stand up.

Many people want to help in the ongoing struggle for equality and equity, but they don’t know what to do. Activist DeRay Mckesson explains how we can all show up and stand up.

Take a walk through the streets of Cairo with artist Bahia Shehab, with nine light-filled photos by Ohoud Saad.

Helping prisoners get a legal education benefits them and the world, says African Prison Project founder Alexander McLean: They can help their fellow inmates with their legal expertise, and when they’re released, they can help society, too.

Nigerian-American Nnedi Okorafor writes the kind of drop-everything, Africa-based fantasy and sci-fi that she never saw on bookshelves growing up. Here, she talks about the authors that shaped her, her inspirations (traffic! jellyfish!) and her collaboration with Marvel.

Amy Cuddy’s research examines how we can understand others through body language. As the U.S. swings into the 2016 election season, here are four key insights on how to judge candidates during a presidential debate. (And one tip on how to win it.)

Extreme hiker Sarah Marquis explains how pain gives way to pleasure during a 500-mile trek through the wilderness.

Megan Phelps-Roper grew up in the Westboro Baptist Church and was picketing with signs like “gays are worthy of death” at the age of five.

生态学家黛博拉·戈登研究蚂蚁如何在没有中央智能的情况下构建高效稳健的网络。她在太空项目中顿悟：太空中没有上下之分，蚂蚁无论如何都能完成任务。这启示我们，去中心化的网络结构或许正是人类组织管理可以借鉴的未来方向。

Giving a good presentation is much harder than it looks. Speakers have to figure out what they want to say and what they want a viewer to grasp — and then decide how to bring the two together in a compelling manner. In his TED Talk, Jon Mooallem used whimsical illustrations to make a serious point. Check them out.