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Addictive behavior could trace back to an ancient retrovirus in our DNA

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pills and a syringe on a black background

Understanding why some struggle more than others could help us find solutions.

Human endogenous retroviruses are ancient retrovirus DNA that hangs around in our genes, passed from generation to generation as part of our genetic code.

The FDA just issued a warning for flea and tick medication that might cause seizures

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a kitten and a puppy

Here's what you should know

The FDA is warning vets and pet owners about a particular class of flea and tick products, but that doesn't mean your pup or cat should go without.

How to pick an ant farm for grown-ups

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Casita from Tar Heel Ants

Let’s ants.

Trust these teensy-weensy towns to ensure your ant experiment is an active success.

The ExoMars spacecraft measured radiation in deep space to help keep future astronauts safe

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An astronaut takes a selfie in space

The news isn't great, but it's not a showstopper either.

Based on how much radiation a European spacecraft picked up on its way to the Red Planet, NASA and the ESA could greenlight a Mars mission under current guidelines—but…

MacOS Mojave just gave your Mac new features—here’s how to use them

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Mac Dark Mode

You should turn on Dark Mode right now.

Highlights from the free software update to your Mac.

During a hurricane, where does all the pig poop go? Into your water.

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a pig snout covered in mud

The horrifying pig poop floods in North Carolina are not a one-time thing.

Hurricane Florence inundated at least 54 lagoons full of pig excrement when it unloaded at least 8 trillion gallons of rainfall over North Carolina in less than a week.

These lizards are the holy grail of herpetology—they're also targets in the illegal wildlife trade

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lizard sitting on a rock

Excerpt—Poached: Inside the Dark World of Wildlife Trafficking

The partially submerged creature had the elongated, snakelike body of a Chinese dragon, the facial features of a cartoon dinosaur, and the pronounced scales of a…

Why rivers rise long after a hurricane is gone

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hurricane florence flooding

Florence damaged the coast with storm surges, but farther inland the worst was yet to come.

Though the storm surges and lashing winds we see on TV are dramatic, they’re only the first half of the story.

The best new camera and photography gear from Photokina 2018

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Fujifilm GFX-50R

All the big camera manufacturers trot out their latest and greatest products.

Cameras, lenses, lighting, and everything else from the world's largest photography trade show.

A British mathematician thinks he’s cracked a secret worth a million bucks

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But proving the Riemann Hypothesis isn't that simple.

Many mathematicians are wary of Atiyah’s proof for the infamous Riemann hypothesis—for multiple reasons.

This ocean 'invisibility cloak' makes waves bigger and better

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A wave breaks into froth.

It could expand our options for wave-energy harvesters.

Borrowing from the field of optics, two researchers have designed a device that makes waves taller, and more energetic.

A look back at the tiny cars that once ruled the road

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2012 Renault Twizy

A timeline of micro cars.

Cars are getting bigger, but back when fuel was scarce and safety wasn't a concern, tiny machines thrived.

Navigating our obsession with one-sided objects

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A Mobius strip

Möbius strips still fascinate mathematicians.

A Möbius strip can be created by taking a strip of paper, giving it an odd number of half-twists, then taping the ends back together to form a loop.

Your city and home may not be ready for you to get old

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old person crossing the street gerontology design

To succeed, the “age in place” movement needs good design.

Something as fundamental as crossing the street can be difficult for older people, kids, and others. But design can help.

The weirdest things we learned this week: holes in people (and cows), illegal cheese, and the world's worst dairy disaster

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a cow sticking its tongue in its nose

Our editors scrounged up some truly bizarre facts.

What’s the weirdest thing you learned this week? Well, whatever it is, we promise you’ll have an even weirder answer if you listen to PopSci’s newest podcast.

Being a heavyweight isn't enough to turn a brown dwarf into a star

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Epsilon Iridani

Now astronomers want to know: what makes a star a star?

Take a look up at the night sky. See all those stars? For every one of those bright points of light, there may be an object that failed to shine. But astronomers have…

All the gear you need to totally dominate the local mini golf course

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Ditch the loaner club and upgrade your putt-putt game.

The tacky surroundingsd don't mean you can't go all Jack Nicklaus and totally freakin' dominate those baby greens.

MEGAPIXELS: For a technicolor nightmare, see this fish in high definition

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a fluorescent fish skeleton

New imaging techniques straight out of a horror movie.

Announcing all-new, high definition nightmares, brought to you by researchers at the University of Kansas.

Devastating termite infestations threaten more damage in the wake of post-hurricane floods

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After the storm comes the swarm (of termites).

While crews do their work to clean up the wreckage from Hurricane Florence, there is a little-talked about danger lurking in the aftermath of massive storms: termites.

Gestures are the best way to navigate your smartphone—here's how to start swiping

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smartphone gestures

Go beyond single-finger taps.

To navigate your smartphone at top speed, single-finger tapping won't cut it. Here are the hand gestures to power through emails, notifications, maps, and more.
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