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作者尼洛弗·默钱特指出，过去30年间，《星际迷航》中的诸多科幻设定已陆续成真——智能手机、光学医疗设备、仿生眼、远程呈现技术无不如此。而她认为，真正令人期待的技术突破还在未来，最精彩的篇章尚未开启。

In the Internet era, conflict is constant, invisible, and deadlier than ever. No longer is the country with the biggest army or most missiles the most powerful — instead, those wielding the best algorithm can dominate, says foreign policy strategist David Rothkopf.

记者迈克尔·托马斯基从事政治报道25年，他认为美国当前的政治极化虽令人忧虑，但并非无解。他指出三缕希望之光：拉丁裔人口增长带来的选举格局重塑、特朗普现象引发的共和党路线之争，以及其他潜在的结构性变革，认为两党合作与妥协有望在未来数年内重现。

Justice should be blind, but the predictive policing software used in much of the US has bias and misunderstanding programmed right into it, says data scientist Cathy O’Neil.

Some argue that we have a moral responsibility for future generations, but others ask: how do we know what they would want? Writer Charles Mann explores the confusing ethics of acting on global warming.

Turn it into a game, says technologist Esra’a Al Shafei. Thanks to features like a point system and a leaderboard, her small site for LGBTQ people in the Arab world is not only fun to use — it’s free from harassers.

Since we know TED speakers love to read, we asked them: What book could you not stop reading? Here are their eclectic picks, ready for gifting or for sticking in your carry-on.

Dr. Samantha Nutt, an international humanitarian and author, writes about misogyny and the continuing struggle for women’s equality — and points to the way ahead

Neuroscientist Madeline Lancaster generates living models of brain from just a few stem cells.

Photojournalist Anastasia Taylor-Lind went to Bangladesh to help document the Rohingya refugees fleeing violence and persecution in Burma. Here’s what she saw.