Horseshoe crab blood is rare but crucial for medicine, so this scientist came up with a solution
The rarest blood is blue.
Read the latest articles from Popular Science (Page 845)
Create a portable workspace by building your own folding saw horses
Rigid saw horses take up a lot of space. Folding ones can be easily stashed away.
This fluffy ball contains the story of the universe
The ghost of a supernova looks like a ball of cotton candy.
This map shows how food travels from farms to your home
In 2012, Los Angeles County both shipped and received more kilograms of food than any other U.S. county.
Your ‘basic’ fall leaf photos could serve as evidence of climate change
Vacation albums are a surprising way to track shifts in the seasonal calendar.
Choose and install the right dash cam for your car
Your first viral video might be right around the corner.
Last week in tech: Quantum supremacy, Facebook News, and circular pizza boxes
Listen to the latest episode of the Techathlon podcast.
Build your own NAS drive with Raspberry Pi
A DIY data storage device you can access from anywhere.
Finally, some good news about humpback whales
A population recovery came as a total surprise, even to the researchers studying the beasts.
There’s a chance the black hole at the center of our galaxy is actually a wormhole
The odds are slim, but a new analysis shows it’s possible.
The best new camera gear at the PhotoPlus 2019 trade show
The best new gear and accessories from the showroom floor.
Why are there no black Nobel laureates in science?
The Nobels reflect racism in American science education.
A 500-year-dormant fault in California just shook our view of how earthquakes form
July’s West Coast quake that woke up the Garlock Fault was caused by numerous small faults.
Three ways environmentally conscious countries can conquer the fossil fuel industry
They should start with the weakest links, such as coal.
A new take on creating an invisibility shield borrows from classical physics
Here's how it works.
We may finally know why we can’t regrow limbs like newts and toads do
A group of researchers identified a gene connected to cold-blooded animals' ability to regenerate limbs.
How to identify the tracks of 10 common North American animals
Master this tough technique to track animals wherever you are.
Penalizing kids for school lunch debt can harm their mental health
Affordable, nutritious lunches are key for students' overall health and academic success.
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