Wait until January to buy TVs, workout gear, winter clothes and home goods. Here's why. Plus, TikTok live streams are getting out of control, best Christmas gifts under $50, cheapest family plans, be careful getting your phone or computer repaired and a new way to recognize fake images and videos.

Wake up with Kim every Saturday morning! Grab a cup of coffee and catch up on top tech news, digital tips and how-tos, and highlights of Kim's show.

Physics is a branch of science that deals with the nature and properties of matter and energy. Basically, it helps us put rules to how our universe works — and, obviously, it's pretty complex. Inevitably, though, some facts may get skewed or misinterpreted. Here's one: There is no gravity in space. Turns out, there is.

The moon might look like a barren rock, but it contains many essential elements, like oxygen and gold. So with future missions to the moon and the eventual mining that will occur, we have to ask, is that a good idea?

Spider silk is incredibly strong. So why don't we use it for more things? As you can imagine, it takes a lot of spiders to make enough silk for practical use. Scientists are on the case, working in labs to recreate this incredible material. Watch to see what it could be used for.

If you’ve thought about protecting your home with security but have been waiting for the right time, it's now! For a limited time, Kim's listeners can get 40% off SimpliSafe’s award-winning home security system. When a threat is detected, SimpliSafe's monitoring professionals promptly contact you and dispatch first responders to your home — even if you're away or unable to respond. The best part: 24/7 professional monitoring costs under $1 per day. That’s less than half the cost of ADT’s traditional professional installed plans.