How teachers can help kids find their political voices | Sydney Chaffee

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Social justice belongs in our schools, says educator Sydney Chaffee. In a bold talk, she shows how teaching students to engage in activism helps them build important academic and life skills — and asks us to rethink how we can use education to help kids find their voices. “Teaching will always be a political act,” Chaffee says. “We can’t be afraid of our students’ power. Their power will help them make tomorrow better.”

The little risks you can take to increase your luck | Tina Seelig

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Luck is rarely a lightning strike, isolated and dramatic — it’s much more like the wind, blowing constantly. Catching more of it is easy but not obvious. In this insightful talk, Stanford business school professor Tina Seelig shares three unexpected ways to increase your luck — and your ability to see and seize opportunities.

Making waves in a complex plasma

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A puzzling gamma-ray survey of the Sun

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How AI can save our humanity | Kai-Fu Lee

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AI is massively transforming our world, but there’s one thing it cannot do: love. In a visionary talk, computer scientist Kai-Fu Lee details how the US and China are driving a deep learning revolution — and shares a blueprint for how humans can thrive in the age of AI by harnessing compassion and creativity. “AI is serendipity,” Lee says. “It is here to liberate us from routine jobs, and it is here to remind us what it is that makes us human.”