Read the latest articles from Popular Science (Page 689)

An Apple macOS laptop, desktop computer, tablet, and iOS iPhone on a wooden desk.
Tech Hacks

How to keep people from stealing your Wi-Fi

Give digital trespassers the boot.

aid workers in Africa go door-to-door to deliver accurate information about Covid-19
COVID-19

COVID-19 could make malaria surge, but African aid workers are fighting back

Community efforts are stepping up as experts warn about an increase in malaria cases as the pandemic wears on.

An artist's impression of the James Webb Space Telescope, finally set to launch this year.
Space

Mars missions, a super-powered telescope, and more exciting 2021 space events

Watch this space.

large forest tree
Environment

Behold the world’s tallest trees

A photographer-and-ecologist team are on a mission to document the mightiest members of forests.

Person sleeping peacefully in bed
Tech Hacks

Skip the wearables and track your sleep with these 5 apps

Cuddle up with your phone.

pre-portioned healthy meals in tupperware containers
Nutrition

In 2021, as ever, the best diets are simple

Weight loss isn’t about crash dieting.

Fidget spinner spinning on a hand
Psychology

Fidgeting can relax your body and brain—if you do it right

The relationship between fidgeting and attention is complicated, but you can make the most of it with some strategies.

People wearing masks looking out the window of a diner during the COVID-19 pandemic
COVID-19

Is indoor dining safe? Five health experts weigh in.

The social isolation and economic fallout is real. But so is the risk of transmission.

The Trump border wall made of concrete and steel on the edge of Organ Pipe Cactus National Monument in Arizona
Endangered Species

How the Trump border wall sapped a desert oasis dry

Ancient springs might not survive unchecked construction during the pandemic.

A close-up view of Tithonium Chasma, which is feature of Valles Marineris, the solar system's largest canyon.
Mars

Peer inside the solar system’s largest canyon

Valles Marineris is bigger than the Grand Canyon many times over.

How to build snowshoes on the fly—and 4 other tips for surviving deep snow
Projects

How to build snowshoes on the fly—and 4 other tips for surviving deep snow

If you find yourself in a winter survival situation, you’ll need to fight off hypothermia and trek back to civilization.

Four Portuguese kids who are European climate activists
Fossil Fuels

A lawsuit filed by children has forced 33 countries to rethink their climate goals

A European court served a warning shot to governments stalling on climate reform, with the urging of Portuguese youth.

Tim Enthoven illustration
Biology

The world’s most diverse group of bacteria lives inside your mouth

Mapping the planet’s microbiomes starts on your tongue.

Person with headphones playing audio on smartphone
Tech Hacks

How to convert text articles into audio (and why you might want to)

Clear your backlog of unread stories.

housing
COVID-19

In 2021, a new wave of evictions could also fuel a rise in COVID cases

Thousands of evictions have already taken place in 2020.

girl smiling
Mental Health

Boost your mood with emotional brain training

Don’t let your COVID-19 worries overwhelm you.

a healthcare worker with PPE on
Vaccines

The world may be at risk of a new COVID-19 surge

As the new coronavirus variant spreads, it might create spikes in cases around the globe.

A dog in a Paratec dog parachuting harness.
Aviation

This new harness lets military dogs parachute safely and with style

A flight pod with a magnetic release helps protect the pooch—especially its legs—during a jump with its human.

An illustrated diagram of the solar system, sun, eight planets, Pluto, and various asteroid belts
Space

A guide to the solar system’s biggest secrets

Jupiter, the planet killer, and three other untold stories from space.

A nurse practitioner and kids wearing masks in front of a rural Texas COVID-19 clinic
Health

Meet the nurse who’s running a Texas COVID-19 clinic all on her own

Elizabeth Ellis keeps her community healthy, and her community keeps the clinic running.