They might be the smallest falcon, but American kestrels still intimidate other birds. Breakthroughs, discoveries, and DIY tips sent every weekday. No one wants poop on their cherries . Farmers in northern Michigan could get some help on this fecal matter from some feathered allies. Small falcons called the American kestrel help deter smaller birds that like to snack on the fruit when it is growing.

Technology Engineering How does 3D printing work? Rapid prototyping is a relatively simple process that can be scaled up or down. Breakthroughs, discoveries, and DIY tips sent every weekday. Since 3D printers debuted in the 1980s, the devices have been used to build meat, chocolate, human organs, clothing, cars, and houses . It's more mainstream than ever, and you can buy a machine for less than $200.

We may earn revenue from the products available on this page and participate in affiliate programs. Bose ANC headphones and earbuds are one of the things I never travel without because they bring the kind of quiet that turns an airplane cabin into a reflection room or an office into an iso booth. Whether you're on a red-eye or running a remote-work coffee-shop marathon, Bose QuietComfort offers just that: mute-the-world magic in an all-day-wear build. And right now, you can take 45 percent off the Bose QuietComfort Headphones for Black Friday. With Quiet and Aware modes plus customizable listening profiles, you can go from "cone of silence" to "hear the boarding call" with a tap.

The cosmic oddball that's 67 million light-years away has a puzzling shape. Breakthroughs, discoveries, and DIY tips sent every weekday. What does it look like in your mind? Chances are, it's a swirling circle of galactic energy . A galaxy is often described as one of a few broadly defined shapes--elliptical, spiral, or lenticular--as described by the Hubble sequence .

All you need is a free app and your phone. Breakthroughs, discoveries, and DIY tips sent every weekday. If your home office is piled up high with papers, getting these documents digitized isn't as daunting a task as you might have thought. You don't need a big flatbed scanner or expensive software: All you need is your smartphone and Google Drive for Android or iOS . Load up Google Drive, point your phone's camera at a document, and you can turn it into a PDF that can be safely stored in the cloud--and which can be sorted and searched through like any other file in Google Drive.

Australopithecus deyiremeda lived peacefully alongside other early hominins like Lucy. Breakthroughs, discoveries, and DIY tips sent every weekday. Sixteen years ago, paleoanthropologists stumbled upon an errant foot bone at a dig site in Ethiopia. It was clearly human-like, but which species it belonged to remained a mystery. Now, we finally know that the foot belongs to one of humanity's oldest known evolutionary relatives .

Bidding in Heritage's Nature & Science Auction begins on December 2. This amethyst geode weighs 1,933 pounds and is 44 inches long. Breakthroughs, discoveries, and DIY tips sent every weekday. Fossils, purple geodes, and more are hitting the auction block during Heritage's Nature & Science Auction on December 2. "This is an exceptional event, with every lot from the same consignor," Craig Kissick, Heritage's Vice President of Nature & Science said in a statement . "Collections like this, with this level of both quality and variety, rarely reach the collecting market. From fossils to meteorites, and minerals to lapidary arts, this auction has treasures that will appeal to collectors of all kinds."

Is crossing your eyes really bad for you? Short answer: You're fine, don't worry. No, your eyes won't get stuck if you cross them for a joke every once in a while. Breakthroughs, discoveries, and DIY tips sent every weekday. When your mom told you to stop crossing your eyes as a kid or they'd stay stuck that way, was she right?

Don't wait until after turkey to grab these bargains. We may earn revenue from the products available on this page and participate in affiliate programs. Walmart has officially kicked off its Black Friday sales and there are literally thousands of products hitting their lowest prices of the year (and in some cases, ever). We know you don't have the time to sort through all those deals, but we do, so we've picked out the best bargains across a ton of different categories and put them in this list. Save on home goods, electronics, and just about anything else you could want to buy for yourself or as a holiday gift .

Brain scans of 3,802 people show how the brain's structure changes at four major turning points. Breakthroughs, discoveries, and DIY tips sent every weekday. A team of neuroscientists at the University of Cambridge in the United Kingdom identified five broad phases of brain structure over the course of an average human life. These eras occur as the human brain rewires to support the different ways of thinking while we grow, mature, and eventually decline . In the study, they compared the brains of 3,802 people between ages zero and 90, using datasets of MRI diffusion scans .