Sci-Tech news

• The grossest thing you touch every day, according to science

  01-11-2026 23:02 via Popular Science
  
  It’s probably not something you want to think about, but what do you think is the dirtiest thing you touch every day? If you commute via subway, you might suspect a stairwell handle or train pole as the most likely culprit. If you go from your house to your car to an office, maybe it’s the elevator button or the key fob you have to dig out of your bag. All very good guesses–you might even be tempted to pull out your phone and look up the correct answer. And there we have it. “It might
  
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• 2026 Gifts of the Year: Our editors have picked the best presents for anyone on your list

  01-11-2026 21:42 via Popular Science
  
  A gift cart isn’t a terrible present, but we believe you can do better. That’s why the editors here at Popular Science have put together this list of our favorite gifts of the year. We spend all year researching, testing, and covering products, so we know what we’re talking about. Even if you don’t end up grabbing one of these exact products, it’s a great place to start. Show them you know what they like and leave the gift cards for your nephew who you don’t really like that much.Pop
  
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• Amazon’s early Black Friday deals have started and these 21 products are at their 2026 lows

  01-11-2026 21:27 via Popular Science
  
  Halloween is over, which means it’s time to put away the giant skeletons and start thinking about holiday shopping. Amazon’s early Black Friday deals went live November 1, and most run through the end of the month, which leaves time to deal with the shelf that never got hung or the grill that won’t survive another season. We checked every price in this post on Amazon Sunday afternoon, November 1.Top early Black Friday deals on Amazon
  Weber Smoque 22-inch pellet smoker $599.00 (was $799.00)
  
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• How to build an air purifier in 6 steps

  01-11-2026 21:00 via Popular Science
  
  Though invisible itself, the air we breathe is a microcosm of identifiable pollen, fungal spores, viruses, dust particles, and fine particles of human pollution from everything from cars to asphalt sidewalks. It’s not something we should obsess over day to day, but as more people measure air quality on their own, many are getting readings they’d prefer to address. However, not everyone wants to buy an air purifier, which can cost several hundred dollars.One proposed solution for at-home a
  
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• How to build an air purifier in 6 simple steps

  01-11-2026 21:00 via Popular Science
  
  Though invisible itself, the air we breathe is a microcosm of identifiable pollen, fungal spores, viruses, dust particles, and fine particles of human pollution from everything from cars to asphalt sidewalks. It’s not something we should obsess over day to day, but as more people measure air quality on their own, many are getting readings they’d prefer to address. However, not everyone wants to buy an air purifier, which can cost several hundred dollars.One proposed solution for at-home a
  
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• Fierce turtles square off in a rare woodland turf battle

  01-11-2026 16:10 via Popular Science
  
  At first, it appears that two turtles with yellow spots are calmly sitting side by side. Suddenly, one of them turns, slowly—and lunges out with its head, its open beak clearly trying to take an aggressive chomp out of its neighbor. Moments later, the turtle tries again. Now, both reptiles are going head-to-head, though each is retracted into the protection of its shell. The two combatants are male eastern box turtles (Terrapene carolina carolina) competing for dominance. Eastern box turtles
  
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• Putrid blood shoots from these lizards’ eyes

  01-11-2026 14:03 via Popular Science
  
  Horned lizards are spiky cuties. Three to six inches long, these lizards are coated with sharp spines all across their hard, sand-colored backs. But in the dry deserts and prairies they call home, they are still vulnerable. As they scuttle through the protective brush in arid landscapes from Mexico to southern Canada, they have to reckon with hungry coyotes, snakes that will gobble them whole, and even peckish roadrunners. That’s why multiple species of horned lizards have developed a weird bu
  
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