Read the latest articles from Popular Science (Page 856)

Space

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

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

By John Wenz

The Weirdest Thing I Learned This Week

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

Our editors scrounged up some truly bizarre facts.

By Rachel Feltman

Technology

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

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

By Eleanor Cummins

Science

Navigating our obsession with one-sided objects

Möbius strips still fascinate mathematicians.

By David Gunderman and Richard Gunderman/The Conversation

Vehicles

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

A timeline of micro cars.

By Jordan Golson

Physics

This ocean ‘invisibility cloak’ makes waves bigger and better

It could expand our options for wave-energy harvesters.

By Charlie Wood

Science

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

But proving the Riemann Hypothesis isn't that simple.

By Neel V. Patel

Climate Change

Why rivers rise long after a hurricane is gone

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

By Sara Chodosh

Wildlife

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

Excerpt—Poached: Inside the Dark World of Wildlife Trafficking

By Rachel Love Nuwer

Agriculture

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

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

By Jennifer Lu

Mars

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

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

By Charlie Wood

Health

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

Here's what you should know

By Rachel Feltman

Psychology

Your brain and body remember trauma differently than other events

How fear makes your brain write memories differently.

By Jacek Debiec/The Conversation

Three doctors in green surgical scrubs operating on a patient in the emergency room.

Cancer

Donated organs rarely spread disease, thanks to these protocols

Here's how the screening process that prevents disease transmission in donated organs works.

By Jillian Mock

a map shows growing storms in the atlantic

Environment

Hurricane Florence helped spin up new storms in the Atlantic

Flo isn't rising from the dead, but it's still influencing our weather.

By Dennis Mersereau

Projects

How to build a tabletop catapult

From wooden dowels and rubber bands.

By Sophie Bushwick

Aviation

When a plane loses pressure, here’s what happens to your body

121 passengers found out recently when a Jet Airways flight crew forgot to pressurize the cabin.

By Sara Chodosh

Evolution

Octopuses trip on ecstasy the same way we do

We may have more in common with invertebrates than we thought.

By Charlie Wood

Technology

The reclusive inventor of the Rubik’s Cube wants to do more than amuse you

Math, man vs. nature, and me.

By Eleanor Cummins

Global Warming

Want to save the planet? Don’t drain the swamps.

Swamps and bogs are more important than you think.

By William Moomaw, Gillian Davies, and Max Finlayson/The Conversation

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Read the latest articles from Popular Science (Page 856)

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

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

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

Navigating our obsession with one-sided objects

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

This ocean ‘invisibility cloak’ makes waves bigger and better

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

Why rivers rise long after a hurricane is gone

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

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

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

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

Your brain and body remember trauma differently than other events

Donated organs rarely spread disease, thanks to these protocols

Hurricane Florence helped spin up new storms in the Atlantic

How to build a tabletop catapult

When a plane loses pressure, here’s what happens to your body

Octopuses trip on ecstasy the same way we do

The reclusive inventor of the Rubik’s Cube wants to do more than amuse you

Want to save the planet? Don’t drain the swamps.

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