Breakthroughs, discoveries, and DIY tips sent every weekday. It's a really big deal when fossilized feces survive the ravages of time. These hardened pieces of excrement open up a window into what animals ate thousands of years ago and even what may have made them sick . Humans are not exempt from this, with dried human feces indicating we have always loved cheese and beer and that our microbiome has evolved over thousands of years. DNA recovered from 1,000-year-old dried feces indicates that intestinal infections from pinworm or Shingella may have plagued ancient people living in present day northern Mexico's Rio Zape Valley.

It's been widely touted as a replacement for the smartphone, but it seems Humane's AI Pin isn't quite so smart after all. In a promotional video released to launch the product, the device made not just one, but two blunders. In the video, founders Imran Chaudhri and Bethany Bongiorno asked the device seemingly simple questions. Embarrassingly, the $699 (£564) AI Pin incorrectly identified the best location to view the next solar eclipse, as well as the nutritional value of a handful of almonds. In an embarrassing back-step, the company has now released an edited version of the video, and claims the errors were the result of a'glitch.'