 How can you study Mars without a spaceship? Head to the most Martian place on Earth -- the Atacama Desert in Chile. Astrobiologist Armando Azua-Bustos grew up in this vast, arid landscape and now studies the rare life forms that have adapted to survive there, some in areas with no reported rainfall for the past 400 years. Explore the possibility of finding life elsewhere in the universe without leaving the planet with this quick, funny talk. Watch »  We humans are not the only intelligent beings ... there are many other kinds of intelligence found in nature. Robotics engineer Radhika Nagpal studies the collective intelligence displayed by insect swarms and fish schools, seeking to understand their rules of engagement -- then creates robots that use those same collective skills to get things done. In a visionary talk, she shares a vision of the future where flocks of robots work together to help humans and the planet. Watch » |  What if you could know exactly how food or medication would impact your health -- even before you put it in your body? Genomics pioneer Jun Wang is working to develop digital döppelgangers for real people; they use our genetic code and factor in other kinds of data as well, from the food we eat to how much we sleep to data collected by, um, a smart toilet. With all this valuable information, Wang hopes to change the way we think about health, both on an individual level and as a collective. Watch »  How can Africa, the home to some of the largest bodies of water in the world, be said to have a water crisis? It doesn't, says Olúfẹ́mi Táíwò -- it has a knowledge crisis. The lack of knowledge on vital topics like water and food, he says, is what stands between Africa's current state and a future of prosperity. In a powerful talk, Táíwò calls for Africa to reclaim its position as a leader of learning on behalf of humanity. Watch » |  Between 2008 and 2016, the United States deported more than 3 million people. What happens to those left behind? Journalist Duarte Geraldino picks up the story of deportation where the state leaves off. Learn more about the wider impact of forced removal, where the sudden absence of a mother, a local business owner or a high school student ripples outward and wreaks havoc on the relationships that hold our communities together. Watch »  The city-building simulation "Cities: Skylines" is a game that encourages people to plan, build and sustain their dream cities of tomorrow. Designer Karoliina Korppoo takes us on a tour through some extraordinary places users have created, from futuristic fantasy towns to remarkably realistic urban landscapes. What does your dream city look like? Watch » |
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