Read the latest articles from Popular Science (Page 647)

Fish Pee May Be Helping Coral Reefs More Than We Think
Ocean

Fish Pee May Be Helping Coral Reefs More Than We Think

Fishing large, predatory fish can deplete reefs of nitrogen, phosphorus

The Pentagon wants a bazooka that can take down drones
Drones

The Pentagon wants a bazooka that can take down drones

The Department of Defense is planning to test out soldier-carried anti-drone weapons in September.

OceanOne and a human diver working together under water
Robots

Humanoid Robot Can Dive Deep Underwater, Exploring Reefs And Shipwrecks

Where no human has gone before

A Furry Diving Suit Could Keep You Warm
Technology

A Furry Diving Suit Could Keep You Warm

Swimming seal-style

launch of a ballistic missile interceptor
Weapons

What you need to know about the missile defense system that just intercepted a practice target in space

$244 million to destroy a dummy under ideal conditions.

Two Amazon differently shaped drone towers
Drones

Amazon’s delivery drone hive patent is an urban planning nightmare

This clever concept is subprime logistics.

How to become a Navy master diver
Navy

How to become a Navy master diver

It's an exclusive club

New Arm
Science

How to grow an arm

Using tiny electrical currents to go from stump to fully functioning appendage

Cities have unique microbiomes which could be key to keeping us healthy
Health

Cities have unique microbiomes which could be key to keeping us healthy

Researchers swabbed city buses and subways and found DNA from viruses and bacteria that had never been classified before.

Bizarre Proton-Conducting Jelly Helps Sharks Detect Electrical Signals Of Prey
Sharks

Bizarre Proton-Conducting Jelly Helps Sharks Detect Electrical Signals Of Prey

A unique material found only in our friend the shark

lice remover
Health

Electric Comb Could Zap Lice From Your Scalp

It's safe for humans, but bad for bugs

5 MacGyver hacks you should try at home—and 2 you really shouldn’t
Projects

5 MacGyver hacks you should try at home—and 2 you really shouldn’t

Channel your inner secret agent

Eiffel tower
Fossil Fuels

Why The Paris Climate Agreement Can’t Save The Planet

Two months on, the accord is a good start, but more is needed

Solar Panel
Renewables

A Bright Solar Future Will Be Flawed and Imperfect

Scientists offer a solution to the problem of purity.

drone
Drones

You once again have to register your drone—yes, even the little ones

The 2015 rules about drone registration are back in action after suspension earlier this year.

planes
Aviation

Getting on a plane? Here’s how they’re inspected to keep you safe

This is what the FAA demands when it comes to ensuring the safety of commercial aircrafts.

5 Questions You Should Have About Elon Musk’s New Solar Roofs
Renewables

5 Questions You Should Have About Elon Musk’s New Solar Roofs

It's too soon to say whether they have a bright future

solar panel factory on the moon
Renewables

Solar Panels Grown On The Moon Could Power The Earth

A far-out plan to create swarms of self-replicating solar panel satellites

How Do You Autopsy a Whale?
Whales

How Do You Autopsy a Whale?

Determining cause of death with the help of blubber knives

Kettering Aerial Torpedo, An Unmanned Biplane Bomb
Drones

ISIS video shows off ‘new’ weapons based on old tech

War never changes, it just iterates.