Read the latest articles from Popular Science (Page 820)

These blades can cut nearly anything

These blades can cut nearly anything

The sharpest knives, scissors, and razors.

Psychosis is the last marijuana side effect you should be worried about

Psychosis is the last marijuana side effect you should be worried about

It’s far from reefer madness.

Riding Zero’s SR electric motorcycle

Electric Vehicles

Riding Zero’s SR electric motorcycle

Arm-stretching acceleration, and no need to shift.

Tree rings contain secrets from the forest

Tree rings contain secrets from the forest

These wooden cores could help us better understand climate change.

By Marlene Cimons

Hate the gym? Grow a garden instead.

Fitness & Exercise

Hate the gym? Grow a garden instead.

Even small amounts of light physical activity help reduce your mortality risk.

By Sara Chodosh

How fear affects your body

How fear affects your body

Fright in the flesh.

By Eleanor Cummins

Why public health officials have only ever eradicated one disease

Why public health officials have only ever eradicated one disease

'Eliminated' diseases can return. Eradicating one for good is a near impossible public health undertaking.

By Nicole Wetsman

The weirdest things we learned this week: animals used to stand trial and apples kept doctors from killing you

The Weirdest Thing I Learned This Week

The weirdest things we learned this week: animals used to stand trial and apples kept doctors from killing you

Our editors scrounged up some truly bizarre facts.

By Eleanor Cummins

Healthy food prescriptions could save billions in healthcare costs

Healthy food prescriptions could save billions in healthcare costs

A new study shows subsidized fruits and vegetables could also prevent millions of cases of cardiovascular disease.

By Nicole Wetsman

You don’t need to drink alcohol for it to harm you

You don’t need to drink alcohol for it to harm you

Quantifying how alcohol hurts non-drinkers is difficult, but a new paper shows the way.

By Sara Chodosh

Unscrambling the health effects of eggs

Unscrambling the health effects of eggs

Are eggs good or bad for you? Here's what the latest research means.

By Tom Sanders/The Conversation

Royal Society of London England Isaac Newton Charles II king science

There’s a reason England was able to harness geniuses like Isaac Newton

Excerpt: Loonshots

By Safi Bahcall

Trek’s new bike helmet mimics your brain’s protective fluid

Trek’s new bike helmet mimics your brain’s protective fluid

A better understanding of how concussions happen has led to more innovative helmet designs.

By Claire Maldarelli

Adapting to melting ice trails isn’t easy, even for Arctic locals

Adapting to melting ice trails isn’t easy, even for Arctic locals

Climate scientists wanted to understand how their lives are changing.

A meteor exploded over the Bering Sea with the energy of 10 atomic bombs

A meteor exploded over the Bering Sea with the energy of 10 atomic bombs

And we never saw it coming.

By Neel V. Patel

The midwest is in the midst of record-breaking, deadly floods

The midwest is in the midst of record-breaking, deadly floods

It's the perfect storm.

Want to build an igloo? Here’s how.

With help from an ice architect

stone walls covered in moss

Old stone walls hold secrets to Earth’s wandering magnetic north

New England is full of granite that has locked away a record of how north has evolved over the centuries.

By John Delano/The Conversation

Human animal humanimal hand swan feeding

Rethinking what sets humans apart starts with asking if we’re special at all

Excerpt: Humanimal

By Adam Rutherford

F1 steering wheel

The steering wheel in an F1 race car requires fighter jet components and lots of practice

Drivers need to manipulate the controls at 200 mph.

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