Today, we ponder Snapchat's estimated worth of $10 billion, look at life on the ISS, round up nine of our favorite wearables and learn about an app that lets you video call your doctor. Read on for Engadget's news highlights from the last 24 hours.

Is Snapchat really worth $10 billion?

How much dough is Snapchat worth? According to Bloomberg, Yahoo-backed Alibaba is willing to drop a solid $10 billion on the messaging app. You had your chance Facebook.

The top 9 wearables you can buy right now

The Engadget Buyer's Guide strikes again. This time, we rounded up nine of our favorite wearables that you can buy right now. You're welcome.

'Mario Kart 8' couldn't save Nintendo from a $97 million loss

Mario Kart 8 is a good game, but it takes more than one killer title to keep a company's finances out of the red; Nintendo reported a total operating loss of $97 million. All eyes are on you, Super Smash Bros.

Life on the ISS as seen through social media

Ever wondered what it's like to live on the International Space Station? Well, thanks to a few social media-savvy astronauts (who took a lot of pictures), you can get a pretty good idea of life outside our atmosphere.