Read the latest articles from Popular Science (Page 384)

Poppy seeds can skew drug test results, but they won’t actually intoxicate you
Medicine

Poppy seeds can skew drug test results, but they won’t actually intoxicate you

Poppy seeds themselves don’t contain opiates. But during harvesting, the seeds can become contaminated.

Screenshot of AppCleaner on MacOS deleting apps.
Tech Hacks

This is how to completely delete apps and any residual data off your Mac

Dragging an icon to the trash is one thing. Deleting every trace of it, is something else.

Lichens may help forecast sea level rise
Ocean

Lichens may help forecast sea level rise

One of the great infrastructure challenges of the next few decades is to figure out which coastal sites should be abandoned and which can be saved. Lichens can help.

A drawing made by a five year-old child in Sweden with the description, “A boy coughed and put his hands over there (on the house) and someone came and touched it, then they got sick. X means that you shouldn't go outside and catch bacteria. The bacteria are underground. Blue faces mean you feel sick.”
Mental Health

Little kids drew their grim—and hopeful—reality of COVID

One child wrote ‘You throw up, then you cough, then you feel better or die,’ on their drawing.

Neuralink’s request for human trials of brain implants was reportedly rejected by the FDA
Technology

Neuralink’s request for human trials of brain implants was reportedly rejected by the FDA

Reuters reports that multiple safety concerns led to the FDA rejecting the application.

The skeleton of a possible Yamnaya horse rider.
Archaeology

People may have been riding horses as early as 5,000 years ago

Skeletal remains suggest the Yamnaya people of Eastern Europe sat astride horses.

best paint spray gun
Home

The best paint spray guns

Home renovations, car detailing, and deck priming have never been easier.

Person putting Chromebook into a bag.
Tech Hacks

You should back up your Chromebook. Here’s how.

Your Chromebook doesn't save everything automatically.

Meadow grasshopper sitting on blade of grass
Robots

Leaping robots take physics lessons from grasshoppers

Insects like grasshoppers could help build the next generation of jumping robots.

A lineup of storm generators on a background with lightning in the sky.
Home

Weather any storm with this portable generator deal on Amazon

Supercharge your emergency backup without overcharging your credit card with these powerful deals on Jackery, Champion Power, and Anker generators.

Why the US military plans to start making its own jet fuel
Air Force

Why the US military plans to start making its own jet fuel

Traditional jet fuel is a petroleum product that comes from the ground, but it can also be created synthetically. Here's how.

A man holes a phones and texts with a combination of words and emois.
Mental Health

People use emojis to soften the blow of negative feelings

Even while texting, we use 'display rules' to keep the peace.

To lower food emissions, consider what your dinner ate
Fossil Fuels

To lower food emissions, consider what your dinner ate

About 33 percent of croplands are dedicated to livestock feed production.

Medtronic's headquarters.
Cancer

A little-known form of medical pollution is costing Puerto Ricans their health

The US outsources much of its medical tool sterilization—and cancer risks—to the island territory.

Coal is on its way out. But its toxic pollution lingers.
Fossil Fuels

Coal is on its way out. But its toxic pollution lingers.

The coal industry may be dying in the U.S., but its health impacts are not, report finds.

Nissan car and car parts at the SEMA annual event.
Electric Vehicles

Why an old-school auto tech organization is embracing electrification

As EVs get popular, so do their parts.

People wearing posture correctors on a white background.
Fitness Gear

The best posture correctors

Relieve your muscles and ease your pain without breaking the bank—or your back.

5G wifi router sitting on a home counter.
Tech Hacks

Read this before setting up a 5G WiFi network at home

Go wireless or go home—oh, wait.

Research student holding graphene seaweed hydrogel in gloved hand
Technology

MasterChef inspired an edible medical sensor

It's vegan, and that's not even the most sustainable part.

Two orca whales, one with it's head and flukes above the water and the other with its nose out of the water.
Whales

Toothed whales turned their vocal fry into a hunting superpower

For fishing 6,000 feet deep, whales need deep voices.