How do you feel about living in a cave?Getting to and living on Mars will be hell on your body

To learn more about what it will take for humans to live on Mars, Engadget spoke with NASA scientist Laura Kerber and Spaceworks COO John Bradford at the Hello Tomorrow symposium in Paris. It's time to find out what a "torpor" is and why you'll want to be in one to make the trip.

Alexa still reigns as the queen of assistants.Amazon Echo review (2017)

First, the good news: Amazon's latest Echo is plugged into the ever-evolving Alexa AI that currently leads the pack of "smart" assistants, and at $99 it's cheaper than last year's model. The bad news? Despite some attractive, interchangeable shells, this smaller Echo puts out subpar audio compared to other smart speakers on the market.

The first qualifying event is in November -- it's time to train.FIFA and EA will put on the first-ever 'eWorld Cup' next year

FIFA and Electronic Arts are taking their partnership to the logical conclusion point: the pair will put on the first-ever eWorld Cup next August. Competition starts next month on November 3rd.

Think it over.WhatsApp lets you delete your embarrassing texts, if you're quick

Have you ever accidentally sent a message on WhatsApp that you wish you hadn't? Well, starting today, you can delete it -- as long as you catch it within the first seven minutes. If you do, however, your recipient will instead see a "This message was deleted" alert.

Good luck.iPhone X pre-orders are open

Now the expected wait time has stretched to 5 - 6 weeks.

What could possibly go wrong?Bad Password: Great, now there's 'responsible encryption'

Trump's Department of Justice is trying to get a do-over with its campaign to get backdoors onto iPhones and into secure messaging services. The policy rebrand even has its own made-up buzzword. They're calling it "responsible encryption."

But wait, there's more...

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