# Latest Content - Popular Mechanics RSS feed for Latest Content - Popular Mechanics Page: Feed: --- ## [These Rock Paintings Survived for 2,000 Years. The Secret May Be Human Blood.](https://www.popularmechanics.com/science/archaeology/a73470286/rock-murals-blood/) _2026-08-20_ Ancient artists in China used human blood to create images, but no violence was involved. ## [They Graduated from Britain’s Best University—Then Spent Years Working as Soviet Spies](https://www.popularmechanics.com/military/a73465968/cambridge-five-soviet-spies/) _2026-08-20_ Idealism turned to treason as the Cambridge Five fed classified secrets to the KGB for decades. ## [Save Up to 30% Off on Emergency Backup During Labor Day](https://www.popularmechanics.com/home/tools/a73474094/labor-day-generator-sale-2026/) _2026-08-20_ Some of the best deals are on battery-powered power stations, but discounts on fuel-powered generators are also available. ## [The 6 Best Replaceable-Blade Knives Give You a Fresh Edge When You Need One](https://www.popularmechanics.com/adventure/outdoor-gear/a73424118/best-replaceable-blade-knives/) _2026-08-19_ Eliminate sharpening chores with these tested options for home improvement, hunting, and everyday carry. ## [Build a Suspended Storage Platform and Free Up Your Garage Floor](https://www.popularmechanics.com/home/how-to-plans/a73453858/suspended-garage-storage-platform/) _2026-08-19_ This weekend project creates 32 square feet of rock-solid overhead storage for seasonal gear, tools, and bulky equipment while keeping the space below completely open. ## [The Philips OneUp 5000 Series Mop May Look Like a Swiffer, but Its Suction Feature Cuts Down on Drying Time](https://www.popularmechanics.com/home/tools/a73414849/philips-oneup-5000-series-mop-review/) _2026-08-19_ This highly maneuverable mop comes with its own tanks and a washable pad. ## [Scientists Spotted an ‘Alien’ Object on the Ocean Floor. The Reality Is Even Weirder.](https://www.popularmechanics.com/science/animals/a73455235/eltanin-antenna/) _2026-08-19_ The deepest, most remote parts of the ocean still remain alien to our eyes. ## [America’s Biggest Earthquake Reversed the Mississippi River. What If It Happens Again?](https://www.popularmechanics.com/science/environment/a73458252/new-madrid-earthquake-repeat-mississippi-river/) _2026-08-19_ A repeat of the quakes that devastated New Madrid, Missouri, in 1811 and 1812 could injure or kill 86,000 people across three states. ## [Google Pixel 11 Pro Review: A Weak Upgrade for a Very Strong Phone](https://www.popularmechanics.com/technology/gear/a73463184/google-pixel-11-pro-android-smartphone-review/) _2026-08-19_ Google’s latest flagship phone doesn’t feel much different than last year, but still blows away most of its competition. ## [Code Faster with Clear Tutorials (Sponsored)](https://crawlproof.com/a/WcPngcHHLyWk) _2026-08-19 · **Sponsored**_ Short, step-by-step coding videos you can follow along ## [Archaeologists Recovered Henry VIII’s 400-Year-Old Lost Warship. What They Found Was Staggering.](https://www.popularmechanics.com/science/archaeology/a73456223/henry-viiis-favorite-warship/) _2026-08-19_ Recovery of the Mary Rose unearthed more than 8,000 Tudor-era weapons, a shipwreck record.