Read the latest articles from Popular Science (Page 1228)

ALMA is the best way to see these births in super-fertile galaxies, which helps scientists understand how galaxies form.

The nation's research-grade cannabis is controlled by the National Institute on Drug Abuse, whose mission to curb use is at odds with that of researchers looking to study pot's therapeutic properties.

One of agriculture's most dangerous substances, anhydrous ammonia requires several precautions to handle.

From our archive, a dramatic first-hand account of marijuana overdose.

Why health care reform must include changes to how people pay for hospital care

You have a lot more in common with Fido than you think.

Plus three robots that are already saving lives.

Related: Can cats get high on marijuana?

Side-stepping traffic by mining data

Guess the species (either common or Linnaean) by tweeting at us--we're @PopSci--and get your name listed right here! Plus eternal glory, obviously. Update: We have a winner!

Mice who got nanosponge injections survived lethal doses of toxins.

Turning plant byproducts into digestible carbs could feed more people.

How one New York bartender fused alcohol and marijuana forever

Elevator riders tend to arrange themselves into mini social hierarchies.

After the explosions yesterday at the Boston Marathon, police departments used social media to send out immediate updates.

For the first time since the 1970s, researchers are being allowed to study the potential medical properties of the most tightly controlled substances around. But it's not easy.

Scientists identify a specific acoustic signature that drought-stressed trees make.

Wearers can push one button for complex movements like right-clicking a mouse and picking up a pen.

What to do, and what not to do, when trying to contact someone during an event like today's Boston Marathon bombing.

How do you secure an event like a big-city marathon?