We recently ended our week-long investigation into How We Reproduce--or, as it turns out, how we don't. In addition to covering a few forms of contraception in our fertility and pregnancy gear roundup, we also took a look at advances in male contraception and gleefully childfree forums. The good news is that if you're not spending money on baby bottles and strollers, then you have plenty left in your pocket for Dell's March Madness sale. If you've been looking for an affordable smart speaker, Amazon's Echo and Fire Tablet sale ends today. We also have a few other great bargains on some of our favorite action camera, smart TVs, and more.

At any given moment, there are approximately a zillion different crowdfunding campaigns happening on the web. Take a stroll through Kickstarter or Indiegogo and you'll find no shortage of weird, useless, and downright stupid projects out there -- alongside some real gems. We've cut through the fidget spinners and janky iPhone cases to round up the most unusual, ambitious, and exciting new crowdfunding projects out there this week. That said, keep in mind that any crowdfunding project -- even the best intentioned -- can fail, so do your homework before cutting a check for the gadget of your dreams. We love the idea behind everyday carry kits, but finding the right balance between compact and useful is often easier said than done.

A London-based startup has combined some of today's most disruptive technologies in a bid to change the way we'll build the future. By retrofitting industrial robots with 3D printing guns and artificial intelligence algorithms, Ai Build has constructed machines that can see, create, and even learn from their mistakes. When CEO and founder Daghan Cam was studying architecture, he noticed a disconnect between small-scale manufacturing and large-scale construction. "On one side we have a fully automated production pipeline," Cam explained at a recent conference in London. With the emergence of more efficient printing technologies, he thought there must be a better way.