The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson
TED Talks Daily4 Des 2019

The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson

Ever gaze up at the starry night sky? This stunning view is at risk of disappearing -- unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains how light pollution affects almost every species on earth (including us) and shares five “stupidly simple” things you can do to help solve the problem.

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Episoder(2639)

A songwriting battle with my AI clone | Jason "Poo Bear" Boyd, Elise Hu

A songwriting battle with my AI clone | Jason "Poo Bear" Boyd, Elise Hu

As AI tools get better at making music, will there be a time when machines move people more than musicians? Putting that question to the test, legendary hitmaker Jason "Poo Bear" Boyd joins journalist...

7 Feb 35min

A different way to measure success in health care | Andrew Bastawrous

A different way to measure success in health care | Andrew Bastawrous

After building a smartphone app to bring eye care to millions of people in remote areas, eye surgeon and TED Fellow Andrew Bastawrous confronted a new question: What do we lose when health care chases...

6 Feb 33min

Will AI take your job in the next 10 years? Wrong question | Vinciane Beauchene

Will AI take your job in the next 10 years? Wrong question | Vinciane Beauchene

As AI agents take over more tasks at work, the question isn’t whether or not humans matter — it’s how we make our impact count. Leadership expert Vinciane Beauchene challenges some commonly held assum...

5 Feb 13min

What ancestral intelligence can teach us about AI | Nanjira Sambuli

What ancestral intelligence can teach us about AI | Nanjira Sambuli

There's a common African proverb: "When elephants fight, it's the grass that suffers." Policy researcher Nanjira Sambuli says we must apply this thinking to today's AI evolution, asking: When tech gia...

4 Feb 9min

1 thing you can do today to be happier | Sonja Lyubomirsky

1 thing you can do today to be happier | Sonja Lyubomirsky

Can anyone become happier? Psychologist Sonja Lyubomirsky studies this question in her lab, doing experiments on "happiness interventions" to see what kinds of actions elicit this sought-after emotion...

3 Feb 23min

In defense of hip-hop | Roland Fryer

In defense of hip-hop | Roland Fryer

Hip-hop often gets blamed for its controversial lyrics. What if there was a way to actually measure its impact on people's lives? Analyzing 40 years' worth of radio station data and lyrics from rapper...

2 Feb 13min

Sunday Pick: How to think critically about history — and why it matters (w/ David Ikard)

Sunday Pick: How to think critically about history — and why it matters (w/ David Ikard)

Have you ever recalled a story only to have someone point out "that's not how it went"? Well, what happens when what we misrepresent are our historical narratives? David Ikard is a Professor of Africa...

1 Feb 30min

The language you're fluent in — but forgot how to hear | Louis VI

The language you're fluent in — but forgot how to hear | Louis VI

What if the calm you feel when you hear birdsong isn't a coincidence, but ancient evolutionary wiring ... a signal that once meant safety? Musical ecologist and rapper Louis VI says humans are hardwir...

31 Jan 18min

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