What keeps us healthy and happy

as we go through life?

If you were going to invest now

in your future best self,

where would you put your time and your energy?

There was a recent survey of millennials

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Hello, everybody.

I brought with me today a baby diaper.

You'll see why in a second.

Baby diapers have interesting properties.

They can swell enormously when you add water to them,

an experiment done

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Translator: Leslie Gauthier Reviewer: Camille Martínez

For the past few years,

I've been spending my summers in the marine biological laboratory

in Woods Hole, Massachusetts.

And there, what I've been

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The best Christmas my children ever had

was also the worst Christmas my husband and I ever had.

Elizabeth, age seven,

and her brother, Ian, age five,

couldn't imagine why they were getting everything

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I guess because I'm from Tanzania

I have a responsibility to welcome all of you once again.

Thank you for coming.

So, first of all, before we start,

how many of you in the audience

have been in the pa

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If I asked you to name a microbe that's living in your gut,

many of you would probably say E. coli.

A lot of people say this. It's the best-known of the gut microbes.

But it turns out that E. coli is

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I am an astrophysicist.

I research stellar explosions across the universe.

But I have a flaw:

I'm restless, and I get bored easily.

And although as an astrophysicist, I have the incredible opportunity

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The city sky is, frankly, rather boring.

If you look up at the patches of murk between buildings,

you might be able to pick out The Big Dipper,

or perhaps, Orion's Belt.

But hold on.

Look at that mur

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"New drug may cure cancer."

"Aspirin may reduce risk of heart attacks."

"Eating breakfast can help you lose weight."

Health headlines like these flood the news,

often contradicting each other.

So h

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Transcriber: Amanda Chu Reviewer: Peter van de Ven

Sydney-Pacific, it's a very active community,

and the vast majority of events

center around congregating in groups and eating shared food.

In March,

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