Read the latest articles from Popular Science (Page 944)

Toxic mercury levels are actually declining in Alaskan polar bears—but that’s not as great as it sounds

Toxic mercury levels are actually declining in Alaskan polar bears—but that’s not as great as it sounds

It's because they're forced to eat human leftovers.

By Aparna Nathan

How a 93-year-old war vet (and his sneakers) are helping NASA track pollution

How a 93-year-old war vet (and his sneakers) are helping NASA track pollution

NASA needs Bernie Fowler.

By Marlene Cimons

seasonal earthquake stress

Rain and snow help stress out earthquake faults

A little bit.

By Mary Beth Griggs

Fancy wine descriptions can make you feel more emotional when you drink

Fancy wine descriptions can make you feel more emotional when you drink

Don't judge a riesling by its label.

By Sara Kiley Watson

Dams on the Amazon River could have widespread, devastating impacts—and we keep building more of them

Dams on the Amazon River could have widespread, devastating impacts—and we keep building more of them

Dam crazy.

By Kendra Pierre-Louis

Lettuce tell you why sexy produce sells better

Lettuce tell you why sexy produce sells better

Get your chard on.

By Kendra Pierre-Louis

How a female-only line of salamanders ‘steals’ genes from unsuspecting males

How a female-only line of salamanders ‘steals’ genes from unsuspecting males

Kleptogenesis gets a little less mysterious in a new study.

By Rachel Feltman

Gray seals are making a huge comeback

Gray seals are making a huge comeback

They're doing better than expected after being hunted nearly to extinction.

Eating potatoes won’t actually kill you

Eating potatoes won’t actually kill you

The latest “news” on fries is total garbage.

By Sara Chodosh

Michigan health director charged with involuntary manslaughter due to Flint water woes

Michigan health director charged with involuntary manslaughter due to Flint water woes

Courts allege he concealed info on a deadly Legionnaires' outbreak.

By Kendra Pierre-Louis

Where in the United States is nature most likely to kill you?

Where in the United States is nature most likely to kill you?

Short answer: it’s complicated.

By Kate Baggaley

America’s standard, bland beer is slowly being replaced by the weird stuff

America’s standard, bland beer is slowly being replaced by the weird stuff

One day, we may even have a "Dino-Brew"

By Patrick E. McGovern

Our sun might have been born with an evil twin called ‘Nemesis’

Our sun might have been born with an evil twin called ‘Nemesis’

The family isn't close.

Coral reefs show signs of climate stress, but there’s still hope

Coral reefs show signs of climate stress, but there’s still hope

They show signs of stress, but also resilience.

By Marlene Cimons

Scientists may have found a way to tan skin without damaging it

Scientists may have found a way to tan skin without damaging it

At least on skin samples in a lab.

By Claire Maldarelli

2.2 billion people are overweight and sick, but we’re still measuring them by a terrible metric

2.2 billion people are overweight and sick, but we’re still measuring them by a terrible metric

We could save lives by getting rid of BMI.

By Sara Chodosh

Travelers are terrified by bed bugs—but can’t spot one in a lineup

Travelers are terrified by bed bugs—but can’t spot one in a lineup

You probably wouldn’t know one if you saw one.

By Kendra Pierre-Louis

Hawaii is a hotspot for alien species

Hawaii is a hotspot for alien species

New research on where invasives are most pervasive

By Cassidy Mayeda

Why some people worry that sunscreen might be bad for you

Why some people worry that sunscreen might be bad for you

The bottom line: Cover up.

By Kendra Pierre-Louis

Jupiter may be even older than we thought

Jupiter may be even older than we thought

This gas giant has seen it all.

By Aparna Nathan

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