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Time is this wild fourth dimension in nature, says Bill Nye. We depend on its neat measurements for survival – but subjectively it continues to elude us.

The human mind is like a Turing machine, says Daniel Dennett. It's made up of unthinking cogs – but when combined in the right order, their motion gives rise to consciousness.

Astro Teller's innovation tip? Fail fast. Here's how he cultivates and rewards intellectually honest failures, and helps his team get comfortable with the idea.

We cannot rule out the possibility that a superintelligence will do some very bad things, says AGI expert Ben Goertzel. But we can't stop the research now – even if we wanted to.

Here's one use for all that harvested personal data that you might not object to. Algorithms and big data are no longer just for profit; they can bring us self-awareness and growth.

Nothing reflects the complex mood of our era like gaming, says Nato Thompson, where the establishment has worked its way into the anti-establishment ethos.

Evolutionary biologists generally agree that humans evolved from a bacteria-like ancestor, rather than a viral one. But what if we're chemically connected?

One day this century, a robot of super-human intelligence will offer you the chance to upgrade your mind, says AGI expert Ben Goertzel. Will you take it?

When you take off a virtual reality headset, you don't remember seeing things, you recall experiencing them, says Kevin Kelly. VR will create a world of amazing opportunity – for us and for advertisers.

What should have killed Trump's political career, only made him stronger. Matt Taibbi marvels at Trump's immunity to scandal and baffling resilience to normal media strategies.

Dr. Larry Brilliant played a key role in eradicating smallpox from the world – so what are the biggest dangers humanity faces now? Brilliant rates politics as on-par with infectious disease.

America has a split personality, and the country it wants to be is constantly being foiled by the country that it is. In an ideal world, says Jelani Cobb, there is a way of using power that does not entail the oppression and exploitation of other people. But how do we get there?

Journalists were once outsiders looking in, says Gay Talese, but today their proximity to Washington makes them myopic; they'd be wiser to disperse and keep their eyes on the horizon.

If we could jump 50 years into the future, what will our world look like? Flying cars? Hologram phones? Bill Nye sees two technological paths ahead – and we're in the fork between them at this very moment.

In 1905, Albert Einstein's mother thought he was a genius, his sister thought he was a genius, his father thought he was a genius – but that was about it, says author David Bodanis.

In a world afraid of embarrassment, asking dumb questions is a super power, says Tim Ferriss. It takes a secure intellect to risk looking silly, but the rewards are there for the taking.

We're in an epidemic of mental illness and in an epidemic of misinformation about mental illness. The myth that America is "overmedicated" regarding antidepressants only furthers the stigma that stops people from seeking help.

We are on the verge of something meaningful and incredible with emergent artificial intelligence, says Toni Lane Casserly. But which way will humanity steer it? As with any system, it's up to us.

The Trump-Russia dossier reads as though the inside of the Kremlin is a high school cafeteria where you can overhear amazing state secrets all the time, says journalist Matt Taibbi – that's just not the way the Russians operate.rn

Nowhere is anti-intellectualism more warmly incubated or does misinformation spread faster than in the online community, which is why Facebook – the third most-visited website in the world – has such a weighty responsibility.rn