Southern California’s mountain lions might soon go extinct
It's also a warning for the many other isolated populations of big cats across the state
Read the latest articles from Popular Science (Page 871)
Psychosis is the last marijuana side effect you should be worried about
It’s far from reefer madness.
Riding Zero’s SR electric motorcycle
Arm-stretching acceleration, and no need to shift.
Tree rings contain secrets from the forest
These wooden cores could help us better understand climate change.
Hate the gym? Grow a garden instead.
Even small amounts of light physical activity help reduce your mortality risk.
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.
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.
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.
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.
Unscrambling the health effects of eggs
Are eggs good or bad for you? Here's what the latest research means.
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.
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
And we never saw it coming.
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.
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